Search Results for: Communication apparatus
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
for telautographic communication, issued october (improved speed and accuracy) u.s. patent , telautograph, issued february u.s. patent , telautograph, issued april v t e telecommunications history beacon broadcasting cable protection system cable tv communications satellite computer network data compression...
https://en.wikipedia.org/wiki/Telautograph