Artifact Details

Title

Sense switch 1981A system building block

Catalog Number

102728517

Type

Physical object

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.

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

Category

Component/module