Artifact Details

Title

IBM 700 series vacuum tube module

Catalog Number

102730246

Type

Physical object

Date

1955 ca.

Manufacturer

International Business Machines Corporation (IBM)

Identifying Numbers

Other number 0169E Stamped in black ink on top of metal frame.
Other number 527750 Hand written in black ink on top of metal frame
Other number 529364 Stamped in black on top of metal frame.

Dimensions

overall: 9 5/8 in x 1 1/8 in x 7 1/2 in

Description

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 8 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 discrete components are soldered between the terminals on the strips. The connector has a locking cam on a shaft which protrudes through the front plate. There are two small transformers, two fuses and four top hat diodes among the components.

Category

Component/module

Credit

Gift of Paul Pierce

Lot Number

X7021.2014