205 magnetic tape hybrid read amplifier modules
11 modules, each with sockets for 3 vacuum tubes, one transistor, and other components. All units are in one gray acid free box.
Burroughs Corporation. Electrodata Division
||(on 2 boards) etched into the board where the metal label would be
||(on 9 boards) on a metal label
overall: 1 1/2 in x 6 1/4 in x 6 1/4 in
Component: circuit board / module
Gift of James Williams