The object is a module with nine sockets, 3 of which are populated with vacuum tubes of varying size and six that are plugged. The sockets are framed by a metal handle. Attached to the handle is a chassis containing 13 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
000178
The number is stamped on the chassis.
Other number
3087061
The number is stamped on the chassis.
Other number
6108
The number is handwritten on a circular paper sticker that is attached to the inside of the handle.
Other number
6109
The number is handwritten on a circular paper sticker that is attached to the inside of the handle.
Other number
B02 P U
The number is sprinted on a paper label that is attached to the handle.
Other number
D 3087061 000178
The number is printed on a paper label that is attached to the handle.
