Artifact Details

Title

Vacuum tube type 12B4A

Catalog Number

102731273

Type

Physical object

Manufacturer

Radio Corporation of America (RCA)

Place Manufactured

U.S.

Identifying Numbers

Model number 12B4A Printed in white at the top of the tube
Other number 57-48 Printed in white in the center of the tube

Dimensions

overall: 2 1/2 in x 3/4 in x 3/4 in

Description

The record contains a 9 pin miniature vacuum tube, type 12B4A.

Category

Component/vacuum tube