De Forest type D01A "Audion" triode
name: label: maker
content: De Forest Radio Telephone & Telegraph Co.
notes: label: Description (Brief)
content: De Forest type D-01A "Audion" triode. Ceramic (isolantite) base shell with 4 long pins and maker stamp, tipped S-shape envelope, mostly silvered with paper test label: "De Forest D-01A - 5 Volt General Purpose Audion". Refers to carton for patent dates. "357" stamped on bottom. "33" on paper label on top.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.322625
label: catalog number
content: 322625
label: accession number
content: 241556
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 3/4 in; 11.43 cm x 4.445 cm