Object is a module with 5 sockets. Two of the sockets are plugged, two contain relays, and one is empty. The are framed by a metal handle. Attached to the handle is a chassis, containing two printed circut boards, which are wired to one of two male connectors at the bottom.
Date
1958 ca.
Manufacturer
International Business Machines (IBM)
Identifying Numbers
Other number
3087987 000370
The number is stamped on the chassis.
Other number
D 3087987 0370
The number is found on a paper label on the module's handle.
Other number
X 930 J22
The number is found on a paper label on the handle of the module.
