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Title
Stibitz Model K AdderCatalog Number
102627225Type
Still ImageDescription
Black and white image of the George Stibitz replica of the relay binary adder, that formed the basic circuitry of the Bell Model 1 Relay Calacultor aka Complex Number Calculator..Verso: Stibitz K-Adder, Stibitz Model K, Article: Bell Telephone pubs.
Model 1 Computer Calc."
Date
Circa 1939Publisher
Bell LaboratoriesIdentifying Numbers
Other number | P2084 |