Search Results for: Photographic laboratory apparatus
. : pages – ) gray made this statement: [ ] by my invention you can sit down in your office in chicago, take a pencil in your hand, write a message to me, and as your pencil moves, a pencil here in my laboratory moves simultaneously, and forms the same letters and words in the same way. what you write
historical description "telautograph" . the new students reference work . . patents[ edit ] patent images in tiff format u.s. patent , art of telegraphy, issued july (first telautograph patent) u.s. patent , telautograph, issued july u.s. patent , telautograph, issued october u.s. patent , art of and apparatus...
https://en.wikipedia.org/wiki/Telautograph