Artifact Details

Description

One (1) B311D module with green board and a blue plastic extraction handle attached by two rivets. The handle reads "DIGITAL EQUIPMENT CORPORATION MAYNARD, MASSACHUSETTS" in raised letters on the solder-side. The board on the solder-side reads "TAPPED DELAY LINE B311 D" along the left edge and "2-74P" along the right edge.. There are three black inspection stamps; one circle, one square, and one triangle. A repeating "don" pattern is printed in red on the board and a thin strip of particle board, painted white, has been glued over the connector fingers on the solder side.

Date

1966 ca.

Manufacturer

Digital Equipment Corporation (DEC)

Identifying Numbers

Model number	B311	Printed in white on face of handle
Other number	411 B	Incised on solder side of handle
Other number	B311 D	Printed on solder side of board

Dimensions

overall: 1/2 in x 2 1/2 in x 5 1/2 in

Category

Component/module