Country of Origin: United States of America
3-D Test: 25.4 x 2.5 x 19.1cm (10 x 1 x 7 1/2 in.)
metal frame, glass vacuum tubes, wire, solder
This is a circuit module from an IBM Model 701 electronic data processing machine, one of the first electronic digital computers built by IBM in the early 1950s. Fewer than two dozen were installed, and the majority of these were at aerospace and defense laboratories or facilities.
Gift of the IBM Corporation