Title
SSEC Wire contact relaysCatalog Number
102657040Type
Still imageDescription
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"
Identifying Numbers
| Other number | #1332 | Verso pencil |
Dimensions
overall: 8 in x 10 inCategory
PhotographCredit
Courtesy of Gwen BellLot Number
X7413.2015