Artifact Details

Title

Vacuum tube type 55

Catalog Number

102691725

Type

Physical object

Manufacturer

Radio Corporation of America (RCA)

Identifying Numbers

Other number 12 Printed on base
Other number 55 Printed on glass

Dimensions

overall: 4 1/2 in x 1 3/8 in x 1 3/8 in

Description

This Radiotron tube has a crown electrode on top and six pins on the base. It has a flared lower section and a step near the middle to a cylindrical section on the top. Object is silver on the bottom section and clear on the top.

Category

Component/vacuum tube