The object is a module with seven sockets, three are populated, one has a missing tube, and the that are plugged. The sockets are framed by a metal handle. Attached to the handle is a chassis containing 14 printed circuit boards and two wire wound power resistors, which are wired to the 3 male connectors at the bottom. There are two IBM inspection stamps.
Date
1958
Manufacturer
International Business Machines (IBM)
Identifying Numbers
Other number
000164
Stamped on the chassis
Other number
3087059
Stamped on the chassis
Other number
6104
Handwritten on a paper label, which adhered to another paper sticker with number 5104
Other number
6107
Handwritten on a paper label, which adhered to another paper sticker
