Artifact Details

Title

SSEC Wire contact relays

Catalog Number

102657040

Type

Still image

Identifying Numbers

Other number #1332 Verso pencil

Dimensions

overall: 8 in x 10 in

Description

Black and white image of three wire contact relays . Shows left, front and right sides. " Manufactured by IBM in 1948. Source: The COmputer Museum.
Negative number: R114 - 23A. Description: The SSEC was the first machine that could control its calculating sequence by modifying its own instructions"

Category

Photograph

Lot Number

X7413.2015