The object is a module with nine sockets, all of which are populated with vacuum tubes of varying size. The sockets are framed by a metal handle. Attached to the handle is a chassis containing 11 printed circuit boards, all of which are wired to 3 male connectors at the bottom of the chassis. There are two IBM inspection stamps on the chassis.
Date
1958
Manufacturer
International Business Machines (IBM)
Identifying Numbers
Other number
000465
The number is stamped on the chassis.
Other number
3087051
The number is stamped on the chassis.
Other number
6087
The number is hand written on a circular sticker on the inside of the handle. It is affixed to another circular sticker with numbers that are unreadable.
Other number
6088
The number is hand written on a circular sticker on the inside of the handle. It is affixed to another circular sticker with numbers that are unreadable.
Other number
B02 K J
HTHe number is printed on a paper label that is attached to the handle.
Other number
D 3087051 000465
The number is printed on a paper label that is attached to the handle.