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The Boy's Playbook of Science
The Boy's Playbook of Science

Chapter XVIII

Chapter 18 of The Boy's Playbook of Science is here in full — 133 sentences across 27 reading sections, with audio for every sentence and word.

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Context Illustration Reading 1/26 · 5 lines
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THE ELECTRIC TELEGRAPH.
The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.
For the complete history of the discovery and introduction of the principle of the Electric Telegraph the reader is referred to the Society of Arts Journal (Nos.
348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.
"It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."
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AI-generated narration by OpenAI · Slow US English
LEARNER DICTIONARY
Archivist
/ˈɑːrkɪvɪst/
Editorial verification pending

A keeper or guardian of historical records and memories.

The Boy's Playbook of Science

Chapter XVIII

Chapter 18 of The Boy's Playbook of Science is here in full — 133 sentences across 27 reading sections, with audio for every sentence and word.

Reading 1/26 · 5 reading units · Lines 1–5

Line 1
THE ELECTRIC TELEGRAPH.
/ðə ɪˈlektrɪk ˈteləɡræf/
Line 2
The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.
/ðə ˈendʒəˈnɪrɪŋ ənd ˌfɪləˈsɑːfɪkəl dɪˈteɪlz ʌv ðɪs ˌɪmˈpɔːrtənt ˈɪnstrəmənt hæv ɡroʊn tuː sʌtʃ ˈfɔːrmədəbəl dɪˈmenʃənz ðæt ˈeni əˈtempt ʃɔːrt ʌv dɪˈvoʊtɪŋ ðə hoʊl ʌv ðiːz ˈpeɪdʒəz tuː ðə səbˈdʒekt tuː ɡɪv ə fʊl əˈkaʊnt ʌv ðə ˈhɪstəri ənd ˌæpləˈkeɪʃən ʌv ðə ˈɪnstrəmənt ðə ˈfeɪljərz ənd səkˈsesəz ʌv ˈnɑːvəl ˌɪnˈvenʃənz ənd ðə kənˈtɪnjuːd ˈɔːnwərd ˈprɑːɡres ʌv ðɪs moʊd ʌv kəˌmjuːnəˈkeɪʃən mʌst biː rɪˈɡɑːrdɪd æz ˈsɪmpli ˌɪmˈpɑːsəbəl ənd ˈðerfɔːr ə ˈveri briːf əˈkaʊnt ʌv ðə ˈprɪnsəpəl ˈoʊnli wɪl biː əˈtemptɪd ɪn ðiːz ˈpeɪdʒəz/
Line 3
For the complete history of the discovery and introduction of the principle of the Electric Telegraph the reader is referred to the Society of Arts Journal (Nos.
Line 4
348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.
Line 5
"It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

Learner Dictionary

These definitions explain words found in the current reading and keep every example grounded in its original sentence.

Oxford-style entry order: headword, part of speech, US IPA, concise definition, contextual example, and audio.

dating noun US /ˈdeɪtɪŋ/

use of chemical analysis to estimate the age of geological specimens

From this reading “348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.”

devoting verb US /dɪˈvoʊtɪŋ/

-ing form of “devote” — give entirely to a specific person, activity, or cause

From this reading “The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.”

engineering noun US /ˈendʒəˈnɪrɪŋ/

the practical application of technical and scientific knowledge to commerce or industry

From this reading “The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.”

failures noun US /ˈfeɪljərz/

plural of “failure” — an act that fails

From this reading “The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.”

galvanic adjective US /ɡælˈvænɪk/

pertaining to or producing electric current by chemical action

From this reading “348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.”

inventions noun US /ˌɪnˈvenʃənz/

plural of “invention” — the creation of something in the mind

From this reading “The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.”

Schilling's noun US /ˈʃɪlɪŋz/

possessive form of “schilling” — formerly the basic unit of money in Austria

From this reading “"It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."”

successes noun US /səkˈsesəz/

plural of “success” — an event that accomplishes its intended purpose

From this reading “The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.”

Word partnerships in these lines

English keeps certain words together, and knowing the pair is worth more than knowing each word alone. Every partnership below was counted across our whole published library, and earns its place by appearing far more often than two unrelated words of the same frequency would.

Shown as this reading writes them, with the form the library counts, what kind of pairing it is, and how often it occurs.

ELECTRIC TELEGRAPH adjective + noun

In this reading “THE ELECTRIC TELEGRAPH.”

brief account adjective + noun

In this reading “The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.”

telegraph lines noun + noun counted as “telegraph line”

the wire that carries telegraph and telephone signals

In this reading “"It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."”

simply impossible adverb + adjective

In this reading “The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.”

full account adjective + noun

In this reading “The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.”

any attempt adjective + noun

In this reading “The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.”

in the world preposition + article + noun counted as “in … world”

In this reading “"It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."”

All words in this reading · 106

Every word in these five lines is listed here, and every one of them can be played on its own.

Dictionary details are shown only when verified; these are not licensed Oxford entries.

1859

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

348

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

9

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

adeterminerUS /ə/

used before a singular noun to mean one of a group, when it is not a particular one

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

accountnounUS /əˈkaʊnt/

a record or narrative description of past events

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

andconjunctionUS /ənd/

used to join words or parts of a sentence that go together

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

anyadjectiveUS /ˈeni/

one or some or every or all without specification

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

applicationnounUS /ˌæpləˈkeɪʃən/

the act of bringing something to bear; using it for a particular purpose

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

ArtsnounUS /ɑːrts/

studies intended to provide general knowledge and intellectual skills (rather than occupational or professional skills)

From this reading For the complete history of the discovery and introduction of the principle of the Electric Telegraph the reader is referred to the Society of Arts Journal (Nos.

asconjunctionUS /æz/

at the same time that; because; in the way that

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

attemptnounUS /əˈtempt/

earnest and conscientious activity intended to do or accomplish something

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

attemptedadjectiveUS /əˈtemptɪd/

tried unsuccessfully

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

AugustnounUS /ˈɑːɡəst/

the month following July and preceding September

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

BaronnounUS /ˈbærən/

a nobleman (in various countries) of varying rank

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

beauxiliary verbUS /biː/

used with a past participle to form the passive, or with -ing for continuous tenses

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

beingauxiliary verbUS /ˈbiːɪŋ/

the -ing form of “be”

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

briefadjectiveUS /briːf/

of short duration or distance

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

BritainnounUS /ˈbrɪtən/

a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; “Great Britain” is often used loosely to refer to the United Kingdom

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

broughtverbUS /brɔːt/

inflected form of “bring” — take something or somebody with oneself somewhere

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

butconjunctionUS /bʌt/

used to introduce something that contrasts with what came before

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

causedverbUS /kɑːzd/

past form of “cause” — give rise to; cause to happen or occur, not always intentionally

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

centurynounUS /ˈsentʃəri/

a period of 100 years

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

communicationnounUS /kəˌmjuːnəˈkeɪʃən/

the activity of communicating; the activity of conveying information

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

completeverbUS /kəmˈpliːt/

come or bring to a finish or an end

From this reading For the complete history of the discovery and introduction of the principle of the Electric Telegraph the reader is referred to the Society of Arts Journal (Nos.

continuedadjectiveUS /kənˈtɪnjuːd/

without stop or interruption

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

datingnounUS /ˈdeɪtɪŋ/

use of chemical analysis to estimate the age of geological specimens

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

detailsnounUS /dɪˈteɪlz/

true confidential information

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

devotingverbUS /dɪˈvoʊtɪŋ/

-ing form of “devote” — give entirely to a specific person, activity, or cause

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

dimensionsnounUS /dɪˈmenʃənz/

plural of “dimension” — the magnitude of something in a particular direction (especially length or width or height)

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

discoverynounUS /dɪˈskʌvəri/

the act of discovering something

From this reading For the complete history of the discovery and introduction of the principle of the Electric Telegraph the reader is referred to the Society of Arts Journal (Nos.

ELECTRICadjectiveUS /ɪˈlektrɪk/

using or providing or producing or transmitting or operated by electricity

From this reading THE ELECTRIC TELEGRAPH.

electro-magnetic

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

engineeringnounUS /ˈendʒəˈnɪrɪŋ/

the practical application of technical and scientific knowledge to commerce or industry

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

establishmentnounUS /ɪˈstæblɪʃmənt/

the act of forming or establishing something

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

failuresnounUS /ˈfeɪljərz/

plural of “failure” — an act that fails

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

firstadjectiveUS /fɜːrst/

preceding all others in time or space or degree

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

ForprepositionUS /fɔːr/

intended to be given to, or used by, somebody

From this reading For the complete history of the discovery and introduction of the principle of the Electric Telegraph the reader is referred to the Society of Arts Journal (Nos.

formidableadjectiveUS /ˈfɔːrmədəbəl/

extremely impressive in strength or excellence

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

fromprepositionUS /frʌm/

showing where something starts, or who sent it

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

fulladjectiveUS /fʊl/

containing as much or as many as is possible or normal

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

galvanicadjectiveUS /ɡælˈvænɪk/

pertaining to or producing electric current by chemical action

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

giveverbUS /ɡɪv/

cause to have, in the abstract sense or physical sense

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

GreatadjectiveUS /ɡreɪt/

relatively large in size or number or extent; larger than others of its kind

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

grownadjectiveUS /ɡroʊn/

(of animals) fully developed

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

halfadjectiveUS /hæf/

consisting of one of two equivalent parts in value or quantity

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

haveauxiliary verbUS /hæv/

used with a past participle to form the perfect tenses

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

hisdeterminerUS /hɪz/

belonging to a man, boy, or male animal already mentioned

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

historynounUS /ˈhɪstəri/

the aggregate of past events

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

importantadjectiveUS /ˌɪmˈpɔːrtənt/

of great significance or value

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

impossibleadjectiveUS /ˌɪmˈpɑːsəbəl/

not capable of occurring or being accomplished or dealt with

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

inprepositionUS /ɪn/

inside something, or within a place, period, or state

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

instrumentnounUS /ˈɪnstrəmənt/

a device that requires skill for proper use

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

introductionnounUS /ˌɪntrəˈdʌkʃən/

the act of beginning something new

From this reading For the complete history of the discovery and introduction of the principle of the Electric Telegraph the reader is referred to the Society of Arts Journal (Nos.

inventionsnounUS /ˌɪnˈvenʃənz/

plural of “invention” — the creation of something in the mind

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

isauxiliary verbUS /ɪz/

the form of “be” used with he, she, it, or a singular noun

From this reading For the complete history of the discovery and introduction of the principle of the Electric Telegraph the reader is referred to the Society of Arts Journal (Nos.

itpronounUS /ɪt/

a thing, animal, or idea already mentioned

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

itsdeterminerUS /ɪts/

belonging to the thing or animal already mentioned

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

JournalnounUS /ˈdʒɜːrnəl/

a daily written record of (usually personal) experiences and observations

From this reading For the complete history of the discovery and introduction of the principle of the Electric Telegraph the reader is referred to the Society of Arts Journal (Nos.

knownadjectiveUS /noʊn/

apprehended with certainty

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

linesnounUS /laɪnz/

plural of “line” — a formation of people or things one beside another

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

LondonnounUS /ˈlʌndən/

the capital and largest city of England; located on the Thames in southeastern England; financial and industrial and cultural center

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

madeadjectiveUS /meɪd/

produced by a manufacturing process

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

modenounUS /moʊd/

how something is done or how it happens

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

mustmodal verbUS /mʌst/

used to say something is necessary, or almost certainly true

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

Nos

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading For the complete history of the discovery and introduction of the principle of the Electric Telegraph the reader is referred to the Society of Arts Journal (Nos.

notadverbUS /nɑːt/

used to make a word, phrase, or sentence negative

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

novelnounUS /ˈnɑːvəl/

an extended fictional work in prose; usually in the form of a story

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

ofprepositionUS /ʌv/

belonging to, or connected with, somebody or something

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

onlyadverbUS /ˈoʊnli/

and nothing more

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

onwardadverbUS /ˈɔːnwərd/

forward in time or order or degree

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

pagesnounUS /ˈpeɪdʒəz/

plural of “page” — one side of one leaf (of a book or magazine or newspaper or letter etc.) or the written or pictorial matter it contains

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

philosophicaladjectiveUS /ˌfɪləˈsɑːfɪkəl/

of or relating to philosophy or philosophers

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

practicallyadverbUS /ˈpræktɪkli/

almost; nearly

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

principlenounUS /ˈprɪnsəpəl/

a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

progressnounUS /ˈprɑːɡres/

gradual improvement or growth or development

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

readernounUS /ˈriːdər/

a person who enjoys reading

From this reading For the complete history of the discovery and introduction of the principle of the Electric Telegraph the reader is referred to the Society of Arts Journal (Nos.

referredverbUS /rəˈfɜːrd/

inflected form of “refer” — make reference to

From this reading For the complete history of the discovery and introduction of the principle of the Electric Telegraph the reader is referred to the Society of Arts Journal (Nos.

regardedverbUS /rɪˈɡɑːrdɪd/

past form of “regard” — deem to be

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

RussiannounUS /ˈrʌʃən/

a native or inhabitant of Russia

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

Schilling'snounUS /ˈʃɪlɪŋz/

possessive form of “schilling” — formerly the basic unit of money in Austria

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

shortadjectiveUS /ʃɔːrt/

primarily temporal sense; indicating or being or seeming to be limited in duration

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

simplyadverbUS /ˈsɪmpli/

and nothing more

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

sinceprepositionUS /sɪns/

from a time in the past until now

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

SocietynounUS /səˈsaɪəti/

an extended social group having a distinctive cultural and economic organization

From this reading For the complete history of the discovery and introduction of the principle of the Electric Telegraph the reader is referred to the Society of Arts Journal (Nos.

statedadjectiveUS /ˈsteɪtɪd/

declared as fact; explicitly stated

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

subjectnounUS /səbˈdʒekt/

the subject matter of a conversation or discussion

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

successesnounUS /səkˈsesəz/

plural of “success” — an event that accomplishes its intended purpose

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

suchdeterminerUS /sʌtʃ/

of the kind already mentioned

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

TELEGRAPHnounUS /ˈteləɡræf/

apparatus used to communicate at a distance over a wire (usually in Morse code)

From this reading THE ELECTRIC TELEGRAPH.

thatconjunctionUS /ðæt/

used to introduce what somebody said, thought, or felt

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

THEdeterminerUS /ðə/

used before a noun that is already known, already mentioned, or the only one of its kind

From this reading THE ELECTRIC TELEGRAPH.

thereforeadverbUS /ˈðerfɔːr/

for that reason; as a result

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

thesedeterminerUS /ðiːz/

the plural of “this”: the people or things near, or just mentioned

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

thisdeterminerUS /ðɪs/

used for a person or thing that is near, or that has just been mentioned

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

toparticleUS /tuː/

used before the base form of a verb to make the infinitive

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

usefuladjectiveUS /ˈjuːsfəl/

being of use or service

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

veryadjectiveUS /ˈveri/

precisely as stated

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

viiinoun

the cardinal number that is the sum of seven and one

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

vol

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

wasauxiliary verbUS /wɑːz/

the past form of “be” used with I, he, she, it, or a singular noun

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

whereconjunctionUS /wer/

in or at the place that

From this reading 348-9, vol. viii.), where it is stated that it is _half a century_, dating from August, 1859, since the first galvanic telegraph was made.

whichpronounUS /wɪtʃ/

used to introduce a clause giving more about a thing just mentioned

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

wholeadjectiveUS /hoʊl/

including all components without exception; being one unit or constituting the full amount or extent or duration; complete

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

willmodal verbUS /wɪl/

used to talk about the future, or about willingness

From this reading The engineering and philosophical details of this important instrument have grown to such formidable dimensions, that any attempt (short of devoting the whole of these pages to the subject) to give a full account of the history and application of the instrument, the failures and successes of novel inventions, and the continued onward progress of this mode of communication, must be regarded as simply impossible, and therefore a very brief account of the _principle_ only will be attempted in these pages.

withoutprepositionUS /wɪˈθaʊt/

not having, not using, or not accompanied by

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

worldnounUS /wɜːrld/

everything that exists anywhere

From this reading "It was the Russian Baron Schilling's electro-magnetic telegraph which, without its being known to be his, was brought to London, and caused the establishment of the first practically useful telegraph lines, not only in Great Britain, but in the world."

Chapter 18 of The Boy's Playbook of Science by John Henry Pepper holds 133 sentences, grouped into 27 reading sections of at most 5 sentences. The text is the source edition, unabridged, and the chapter records which sentences cover which part of the work so that nothing is dropped. Every word can be tapped for its pronunciation and dictionary entry.

What does chapter 18 of The Boy's Playbook of Science contain?

Chapter 18 holds 133 sentences of The Boy's Playbook of Science, unabridged, divided into 27 reading sections.

This page carries chapter 18 of The Boy's Playbook of Science by John Henry Pepper exactly as it stands in the source edition, without abridgement. It runs to 133 sentences, grouped into 27 sections of at most 5 sentences so that a reader can take the chapter in steady, finishable pieces. The chapter also stores a coverage record mapping every one of its sentences to a part of the work, which is how the edition demonstrates that no line was dropped.

How do I study chapter 18 of The Boy's Playbook of Science?

Work through the 27 sections in order, replaying any sentence and tapping unfamiliar words for their entries.

Each of the 27 sections in this chapter is short enough to read once, hear once, and then re-read with the vocabulary in view. Tapping a word plays it alone and opens its dictionary entry with IPA, part of speech and meaning, so the reader is never forced to guess a pronunciation from spelling. Working section by section keeps a long chapter from becoming an undifferentiated wall of text, which is the usual reason a reader abandons a work of this period.

Can chapter 18 be read aloud to me?

Yes — every sentence and every individual word in chapter 18 can be played aloud in United States English.

Audio covers the whole chapter: any sentence can be played, and any single word within it can be played on its own. The voice uses United States English. For a work of this period that matters, because spelling is an unreliable guide to pronunciation for vocabulary that has fallen out of daily use, and a learner who guesses wrong tends to keep the error. Hearing the word in its own sentence, and then alone, settles it.

Questions about reading The Boy's Playbook of Science

Common questions about reading The Boy's Playbook of Science by John Henry Pepper on this page, its source edition and its audio.

Is this the complete text of The Boy's Playbook of Science?

Yes. All 4206 sentences of Project Gutenberg eBook #41839 are kept, with a record of which sentences cover which part.

Which edition of The Boy's Playbook of Science is used?

Project Gutenberg eBook #41839, unabridged. The Project Gutenberg header, footer and licence are removed.

How long does The Boy's Playbook of Science take to read?

About 350 minutes of reading across 842 sections of 5 sentences each, at an unhurried pace.

How to read The Boy's Playbook of Science section by section

How to work through The Boy's Playbook of Science section by section, using the audio and the tap-to-define vocabulary.

  1. Open a chapter

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  3. Listen and tap

    Play the section aloud, then tap any unfamiliar word for its entry.

Vocabulary met early in The Boy's Playbook of Science

Words and structures a reader meets early in The Boy's Playbook of Science, each tappable for pronunciation and meaning.

Chemical
A word that appears in the opening chapter of The Boy's Playbook of Science; the reader can tap it to hear it and see its dictionary entry.
Philosophical
A word that appears in the opening chapter of The Boy's Playbook of Science; the reader can tap it to hear it and see its dictionary entry.
Apparatus
A word that appears in the opening chapter of The Boy's Playbook of Science; the reader can tap it to hear it and see its dictionary entry.
Required
A word that appears in the opening chapter of The Boy's Playbook of Science; the reader can tap it to hear it and see its dictionary entry.