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Artifact Details

Title

Illiac I Logic Module

Catalog Number

102673985

Type

Physical object

Description

Object is a flimsy frame of phenolic-coated board containing a quarter-cylinder array of 36 vacuum tube sockets of which 20 are populated. There are 12 pivoting modules with circuit boards populated with resistors and adjustable controls. On end are labels reading +150F", "+110", "Carry In", "DG Driver Buss", "CG Driver Buss". There is a cable with a smaller 14-pin male connector and a cable with a large 50-pin male connector.

Manufacturer

Illinois, University of (Urbana-Champaign)

Identifying Numbers

Other number	R15	Written in orange grease pencil on metal panel back
Other number	Y0303	White sticker on side

Dimensions

overall: 9 in x 18 1/2 in x 12 1/2 in