Artifact Details

Title

System modules 4139 A and 4141 A

Catalog Number

102749300

Type

Still image

Date

ca. 1962

Publisher

Digital Equipment Corporation (DEC)

Identifying Numbers

File number 583 DEC identification number

Format

Negative

Description

4139 A is two-input positive AND gates OR'd into an inverter. 4141 A is 4139 with logic interconnections made by wiring between lugs on a board.

Category

Publicity photograph

Collection Title

Digital Equipment Corporation records

Series Title

Still images: Negatives

Credit

Gift of Hewlett-Packard Company

Lot Number

X2675.2004