De Forest spherical "Audion" radio tube

De Forest spherical "Audion" radio tube

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Location
Currently not on view
Object Name
Electron Tube , Triode
triode
Other Terms
Electron Tube , Triode; Electron Tubes
maker
De Forest Radio Telephone & Telegraph Co.
Measurements
overall: 9 1/4 in x 2 in; 23.495 cm x 5.08 cm
ID Number
EM.313143
catalog number
313143
accession number
175863
Credit Line
from E.Herbert Pennington
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Work and Industry: Electricity
Data Source
National Museum of American History
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