Artifact Details

Title

Vacuum tube type 7AK7

Catalog Number

102732806

Type

Physical object

Description

This is a pentode vacuum tube with a loctal base. Pin 5 is missing by design. This is a spare tube for Bus Drive Flip-flop Storage Rack serial # 11.

Date

1938 ca.

Manufacturer

Sylvania

Place Manufactured

U. S.

Identifying Numbers

Model number 6SN7 Printed in brown ink on top of the glass envelope.
Other number 34.FR.V6-1 Vertically written in green ink on the glass envelope.
Other number AK-1707 Written in green ink near the bottom of the glass envelope.

Dimensions

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

Category

Component/vacuum tube

Credit

Gift of the Digital Equipment Corporation

Lot Number

X115.82