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
1939 ca.Publisher
Bell LaboratoriesIdentifying Numbers
| Other number | P2084 |
Dimensions
8 x 10 in.Format
Photographic printCategory
Identification photograph; Publicity photographCredit
Courtesy of Gwen BellLot Number
X7413.2015