Artifact Details

Title

Vacuum tube type 7AK7

Catalog Number

102732585

Type

Physical object

Date

1938 ca.

Manufacturer

Sylvania

Place Manufactured

U. S.

Identifying Numbers

Model number 7AK7 Printed in silver ink on top of the glass envelope.
Other number 1-MS-V11-2 Written vertically in green ink on the glass envelope.
Other number AK10855 Stamped in green ink near the bottom of the glass envelope.

Dimensions

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

Description

This is a pentode vacuum tube with a loctal base. This is a spare tube for 306-307 Multiply Control Register S/N 1.

Category

Component/vacuum tube

Credit

Gift of the Digital Equipment Corporation

Lot Number

X115.82