File:Firesideuniversi01mcgo2.jpg
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Captions
Captions
Elisha Gray's Telautograph Transmitter and Receiver in use
Summary[edit]
| Description |
English: The transmitter unit (top) would encode the position of a writing pencil as a series of pulsed currents of different levels and polarities, to be transmitted to and reproduced by the receiver (bottom), where a capillary tube ink pen is moved across the paper by electromagnetic clutches and escapements. |
| Date | |
| Source |
https://archive.org/details/firesideuniversi01mcgo/page/n88/mode/1up?view=theater McGovern, John, The fireside university of modern invention, discovery, industry and art for home circle study and entertainment, 1902, Chicago, Union pub. house |
| Author | The Internet Archive |
Licensing[edit]
|
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:40, 22 October 2023 | | 3,950 × 6,025 (976 KB) | InductorMan2 (talk | contribs) | Uploaded a work by The Internet Archive from https://archive.org/details/firesideuniversi01mcgo/page/n88/mode/1up?view=theater McGovern, John, The fireside university of modern invention, discovery, industry and art for home circle study and entertainment, 1902, Chicago, Union pub. house with UploadWizard |
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