National Union Type 2203 Monotron Television Tube, 1938

01

Artifact Overview

The Monotron tube was used in the early development, study, and servicing of television receivers, prior to World War II. This special cathode ray tube used electrostatic deflection to produce test patterns and adjust television sets. The tube produces a unique test pattern: it contains a halftone image of Mary Eastman (a popular radio vocalist) printed onto an aluminum plate.

Artifact Details

Artifact

Vacuum tube

Date Made

1938

Creator Notes

Made by National Union Radio Corporation and distributed by Rissi Brother, Inc. of Detroit, Michigan.

Location

Not on exhibit to the public.

Object ID

82.101.14

Credit

From the Collections of The Henry Ford. Gift of Clark E. Quinn.

Material

Glass (Material)
Metal

Dimensions

Diameter: 3 in
Length: 12 in