Artifact Details

Title

Read Write Switch 1990A System Building Block

Catalog Number

102629491

Type

Physical object

Date

1963 ca.

Manufacturer

Digital Equipment Corporation (DEC)

Identifying Numbers

Model number 1990A
Other number 1990 Handwritten in black ink on side frame
Part number 1990
Serial number 0113429

Dimensions

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

Description

Handwritten on paper tag is "Model Obsolete." There is a blue ink spot on the bottom of the PCB.

Category

Component/module