De Forest "Singer" type radio tube
date: label: date made
content: ca 1916
name: label: maker
content: De Forest Radio Telephone & Telegraph Co.
notes: label: Description (Brief)
content: A 4-pin metal base with tipped G-shaped envelope. Donor card reads: "Triode made by De Forest for use in the low powered radio telephones developed by him after World War 1. The elements of this tube greatly resemble those of the "H" tube, however because of the long neck and base this tube was limited to much lower frequencies. The designation "Singer tube" was given to several model made by De Forest and meant an oscillator, or "singer." See also Tyne, "Saga of the Vacuum Tube," pages 116-117.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.324321
label: catalog number
content: 324321
label: accession number
content: 252994
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: 5 1/2 in x 2 1/4 in; 13.97 cm x 5.715 cm