Artifact Details

Title

Sense switch 1981A system building block

Catalog Number

102728517

Type

Physical object

Date

1963 ca.

Manufacturer

Digital Equipment Corporation (DEC)

Place Manufactured

Maynard, Mass.

Identifying Numbers

Model number 1981 A Printed in solder near the insertion end
Other number 1981 Stamped into the face of the aluminum frame
Serial number 0124553

Dimensions

overall: 1/4 in x 4 1/2 in x 7 in

Description

The object consists of a green board with an aluminum frame and a blue plastic connector. There are three rows of transistors and various resistors on one side. On the other side there is a solder circuit and a grid lettered A-Z.

Category

Component/module