Kellogg Triode Vacuum Tube, 1926
01
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
1926
Creators
Location
Not on exhibit to the public.
Object ID
35.434.93
Credit
From the Collections of The Henry Ford. Gift of McMurdo Silver.
Material
Composition (Material)
Glass (Material)
Dimensions
Length: 5.5 in
Diameter: 1.5 in
Inscriptions
base:
KELLOGG / TYPE 401 / AC TUBE
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