The object is a module with nine sockets all but one contain vacuum tubes. One of the sockets is plugged. All the tubes are framed by a metal handle. In the chassis there are 11 phenolic circuit boards. The boards are wired to male connectors at the bottom of the chassis. Also printed on the chassis are two inspection stamps reading "K IBM" followed by a number.
Date
ca. Nov 1956
Manufacturer
International Business Machines (IBM)
Identifying Numbers
Other number
000402
The number is stamped on the top of the chassis.
Other number
3087034
The number is stamped on the top of the chassis.
Other number
6058
The number is hand written on a circular sticker on the inside of the module's handle.
Other number
6059
The number is hand written on a circular sticker on the inside of the module's handle.
Other number
6060
The number is hand written on a circular sticker on the inside of the module's handle.
Other number
B02 B E
The number is located on a paper label on the module's handle.
Other number
D 3087034 000402
The number is located on a paper label on the module's handle.
