Artifact Details

Title

SMS card

Catalog Number

102730063

Type

Physical object

Date

1959 ca.

Manufacturer

International Business Machines Corporation (IBM)

Dimensions

overall: 3/8 in x 4 1/2 in x 2 5/8 in

Description

Two identical cards share this catalog number. The card is a 'DBW' card whose function is unknown. The module consists of two rows of components, jumpers, and three transistors (one of which is mounted on a red anodized aluminum heat sink).

Category

Component/module

Credit

Gift of Paul Pierce

Lot Number

X7021.2014