“Photo-Graver” Makes Cuts Over Wire in Ten Minutes (Jan, 1932)

“Photo-Graver” Makes Cuts Over Wire in Ten Minutes

WHAT is certain to be one of the most revolutionary machines introduced in the printing industry was recently exhibited in New York City. Called the “Photo-Graver”, the machine is capable of turning out a half tone engraving in approximately ten minutes, without using either chemical or photographic processes.

The heart of the “Photo-Graver” is a photo electric cell which scans the original photo, picking up the variations of tone, and transforming the light energy into electrical energy. The machine sends photos over wire.

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3. Flashlight Beams Make Music On Photo-Electric Marimba (Sep, 1935)
4. Lamp Sunburns in 20 Minutes (Mar, 1933)
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