“Mail Box” for Telegrams Transmits Messages (Jun, 1939)
Filed under: Communications — @ 11:14 am
Source: Popular Science ( More articles from this issue )
Issue: Jun, 1939
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Tags: fax
Source: Popular Science ( More articles from this issue )
Issue: Jun, 1939
| Buy on Ebay
Tags: fax
“Mail Box” for Telegrams Transmits Messages
Telegrams are transmitted automatically by a photo-electric facsimile machine housed within a compact wall box, as shown above. Messages are written on special blanks, which are deposited in the telegraphic “mail box” through a slot. Here the blank is automatically wrapped around a transmitting cylinder and the message sent like a wire photograph.
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