Telephone keypad for a combined radio, clock and telephone set

Recording – communication – or information retrieval equipment – Computer – data processor equipment

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179 90K

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D02800993

REFERENCES:
patent: 1718694 (1929-06-01), Kurowski
patent: 3357116 (1967-12-01), Bazacus
patent: 3381394 (1968-05-01), Munro
Western Electric "Design Line" Phone Brochure, AT&T Big Button Set.
Webcor Electronic Inc. "Jumbo Button" Telephone Model 767, Shown In 8/12/83 Issue Of Telephony Magazine, p. 76.
American Foundation For The Blind; "Aids & Appliances", 18th Ed. 7-1972-6/1973; (a) Watches, p. 32,31; (b) Games, Bingo Board, p. 9.
"Lettered Dial" Article In Bell Labs Record, Jun. 1952, Showing Association Of Letters With Numbers.

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