SWAC logic module

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  • Details
  • Description
Date Introduced
1951
Photographer
Richards, Mark
Dimensions
2 1/8 x 28 x 8 1/4 in.
Manufacturer
Institute for Numerical Analysis, National Bureau of Standard
Credit Line
Gift of Roy Saltman
Copyright Owner
© Mark Richards
Location
United States
Object ID
X1009.89
Speed
15,500 adds/s
Memory Type
Williams-Kilburn tube
Memory Size
256 words
Memory Width
37-bit

The SWAC computer was built using modular units for easy maintenance. It was reliable enough to run programs that took over 100 hours, an accomplishment that few early computers could equal.