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Artifact Details

Title

IBM 700 series tube plug-in module

Catalog Number

102729935

Type

Physical object

Description

This module consists of a Bakelite plug with two rows and eight columns of contact pins, four rows of solder terminals on each side, and eight tube sockets on top. There is a rod that extends from above the tubes to a cam on the bottom to lock the module in place. Components are mounted vertically between adjacent solder terminals. All sockets are wired, and six of them are populated.

Date

1955 ca.

Identifying Numbers

Model number	519271	Stamped in black ink on the top surface.
Other number	001	Stamped in black ink on the top surface.
Other number	C; 3	Written in red wax pencil on the top surface.

Dimensions

overall: 1 1/8 in x 9 11/16 in x 6 3/4 in