Artifact Details

Title

7 Bit Counter Parallel Read In 4222 D System Building Block

Catalog Number

102692529

Type

Physical object

Date

1965 ca.

Manufacturer

Digital Equipment Corporation (DEC)

Identifying Numbers

Model number 4222 D
Other number J1 Handwritten to the left of part number
Part number 4222
Serial number 0178754

Dimensions

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

Description

"MIC J1" is handwritten to the left of the part number. A strip of tape is wrapped around the module, with the word "BAD" written on it.

Category

Component/module