Artifact Details

Title

Vacuum tube type 7AK7

Catalog Number

102732169

Type

Physical object

Description

This is a pentode tube enclosed in a glass envelope with a loctal base. Pin 5 is missing by design. This tube type was specially designed for long life, originally for use in the Whirlwind project. This is a spare tube for Register Driver S/N 6.

Date

1948 ca.

Identifying Numbers

Model number 7AK7 Printed in silver ink on the top of the glass envelope.

Dimensions

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

Category

Component/vacuum tube
 

Related Records

102630997 Whirlwind register driver