Artifact Details

Title

Vacuum tube type 7AK7

Catalog Number

102732403

Type

Physical object

Date

1938 ca.

Manufacturer

Sylvania

Place Manufactured

U.S.

Identifying Numbers

Model number 7AK7 The number is located on the top of the glass.
Other number 852 The number is stamped in a light green on the side of the glass.
Other number AK-925 The number is written in green on the side glass.
Other number H8P The number is located on the top of the glass.

Dimensions

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

Description

The object is from the Whirlwind collection. The tube has 8 pins, one of which is plugged.

Category

Component/vacuum tube

Credit

Gift of the Digital Equipment Corporation

Lot Number

X115.82