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Artifact Details

Title

Dual D.C. Sense Amplifier 4551C system building block

Catalog Number

102716720

Type

Physical object

Description

The module consists of a board with various active and passive components surrounded by an aluminum frame and a 22 pin male connector. On the solder side there is a lettered grid running down the side, which reads A-Z. There are two inspection stamps on the component side.

Date

1965 ca.

Manufacturer

Digital Equipment Corporation (DEC)

Place Manufactured

Maynard, Mass.

Identifying Numbers

Model number	4551C	Printed on the solder side of the module at the insertion end
Other number	4551	Stamped into the face of the aluminum frame
Serial number	0128253	Stamped into the side of the aluminum frame