Word: semagraph
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Dates: during 1932-1932
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Called the "semagraph," Inventor Green's device is based upon use of the photo-electric cell. The special typewriter used in preparing copy prints a coded combination of dots under each character. Each group of dots interrupts a tiny beam of light in the semagraph, causing the proper type letter mold to fall into place...
...confused with the semagraph is the teletypesetter, originally promoted by Chain-Publisher Frank E. Gannett, which can set type simultaneously in any number of remote plants...