Artifact Details

Title

Vacuum tube type 7AD7

Catalog Number

102732605

Type

Physical object

Date

1959 ca.

Manufacturer

Sylvania

Place Manufactured

U. S.

Identifying Numbers

WAD18 Handwritten in red ink near the bottom of the glass envelope.
Model number 7AD7 Printed in silver on top of the glass envelope.

Dimensions

overall: 3 1/8 in x 1 1/4 in x 1 1/4 in

Description

This is a power pentode in a glass envelope with an eight-pin loctal base. A ring was drawn in red ink around the top of the envelope. This is a spare tube for Bus Driver Flip-Flop Storage Rack S/N 6.

Category

Component/vacuum tube

Credit

Gift of the Digital Equipment Corporation

Lot Number

X115.82