Artifact Details

Title

IBM 700 series vacuum tube module

Catalog Number

102729710

Type

Physical object

Date

1955 ca.

Manufacturer

Intermational Business Machines Corporation (IBM)

Identifying Numbers

Other number 0009E Stamped in black on top of metal plate holding vacuum tubes
Other number 506726 Stamped in black on top of metal plate holding vacuum tubes
Other number A-9 Scratch into top of metal plate holding vacuum tubes

Dimensions

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

Description

This module consists of vacuum tubes, resistors and capacitors. There are 8 sockets for vacuum tubes and all are populated with tubes marked IBM.

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 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.

Category

Component/vacuum tube

Credit

Gift of Paul Pierce

Lot Number

X7021.2014
 

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