Eimac 3CPN10A5 Vacuum Tube, 1934-1950

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Artifact Overview

Vacuum tubes appear in older radios, televisions, amplifiers, computers, and other electronic devices. Their function: to amplify and strengthen weak electronic signals. Typical tubes are sealed glass bulbs evacuated of gas, allowing electron flow to be influenced by an interior cathode, plate and grid. Perfected in 1906 by Lee De Forest, the vacuum tube was the genesis of a communications revolution.

Artifact Details

Artifact

Vacuum tube

Date Made

1934-1950

Location

Not on exhibit to the public.

Object ID

89.0.932.1004

Credit

From the Collections of The Henry Ford.

Material

Metal

Dimensions

Diameter: 1.25 in
Length: 2.625 in

Inscriptions

EIMAC / MADE IN U.S.A. / 3CPN10A5
Eimac 3CPN10A5 Vacuum Tube, 1934-1950