Artifact Details

Title

Stibitz Model K Adder

Catalog Number

102627225

Type

Still Image

Date

1939 ca.

Publisher

Bell Laboratories

Identifying Numbers

Other number P2084

Dimensions

8 x 10 in.

Format

Photographic print

Description

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."

Category

Identification photograph; Publicity photograph

Lot Number

X7413.2015