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
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