Artifact Details

Title

Vacuum tube type 7AK7

Catalog Number

102732806

Type

Physical object

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

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.

Category

Component/vacuum tube

Credit

Gift of the Digital Equipment Corporation

Lot Number

X115.82