The Telephone a Lecture Entitled Researches in Electric Telephony Delivered
The Telephone a Lecture Entitled Researches in Electric Telephony Delivered
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In our eReader you can find the full English version of the book. Read The Telephone a Lecture Entitled Researches in Electric Telephony Delivered Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Telephone a Lecture Entitled Researches in Electric Telephony Delivered
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the effect of transmitting musical signals of different pitches simul- taneously along a single wire is not to obliterate the vibratory character of the current as in the case of intermittent and pulsatory currents, but to change the shapes of the electrical undulations. In fact, the effect produced upon the current is precisely analogous to the effect produced in the air by the vibration of the inducing bodies M M'. Hence it should be possible to transmit as many musical tones simultaneously t...hrough a telegraph wire as through the air. The possibility of using undulatory currents for the pur- poses of multiple telegraphy enabled me to dispense entirely with the complicated arrangements of the circuit shown in figs. 3, 4, 5, and 8, 9, 10, and to employ a single battery for the whole circuit, retaining only the receiving instruments formerly shown. This arrangement is represented in figs. 15, 16, and 17. Upon vibrating the steel reed of a receiver R, IT, at any station by any mechanical means, the corresponding reeds at all the other stations are thrown ELECTRIC TELEPHONY.
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To quickly assess the difficulty of the text, read a short excerpt:
the effect of transmitting musical signals of different pitches simul- taneously along a single wire is not to obliterate the vibratory character of the current as in the case of intermittent and pulsatory currents, but to change the shapes of the electrical undulations. In fact, the effect produced upon the current is precisely analogous to the effect produced in the air by the vibration of the inducing bodies M M'. Hence it should be possible to transmit as many musical tones simultaneously t...hrough a telegraph wire as through the air. The possibility of using undulatory currents for the pur- poses of multiple telegraphy enabled me to dispense entirely with the complicated arrangements of the circuit shown in figs. 3, 4, 5, and 8, 9, 10, and to employ a single battery for the whole circuit, retaining only the receiving instruments formerly shown. This arrangement is represented in figs. 15, 16, and 17. Upon vibrating the steel reed of a receiver R, IT, at any station by any mechanical means, the corresponding reeds at all the other stations are thrown ELECTRIC TELEPHONY.
What to read after The Telephone a Lecture Entitled Researches in Electric Telephony Delivered?
You can find similar books in the "Read Also" column, or choose other free books by Alexander Graham Bell to read onlineMoreLess
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