This module consists of vacuum tubes, capacitors and resistors. There are 8 vacuum tube sockets. Five sockets are populated. Three of the tubes are labeled IBM. One is labeled GE. The remaining label is too worn to be legible.
The object is an IBM 700 series vacuum tube module. These modules were used in 701, 702, 704, 705, and 709 computers. The module consists of a steel front plate with 6 miniature tube sockets. There is a plastic connector located about 5 inches behind the front plate. A plastic frame between the front plate and the connector supports 4 tiers of terminal strips. A variety of descrite components are soldered between the terminals on the strips. The connector has a locking cam on a shaft which protrudes through the front plate.
Date
1955 ca.
Manufacturer
International Business Machines Corporation (IBM)
Identifying Numbers
Other number
0382E
Stamped in black on the top of the metal plate holding the vacuum tubes
Other number
330690
Stamped in black on the top of the metal plate holding the vacuum tubes