Electro Importing Co. "Electro Audion" radio tube
date: label: date made
content: ca 1913
name: label: maker
content: H. W. McCandless & Company
label: maker
content: Electro Importing Co.
notes: label: Description (Brief)
content: Sold by Electro Importing Co., manufactured by H. W. McCandless & Company. An audion-type triode mounted on a wooden base. Five binding posts on base. Tube contains 2 filaments, 1 grid, 1 plate. Label on bottom reads: "M-13523-V.17 / Assembler - No. 15 / Finished this instrument / Any Defect should be / Promptly Reported to / Electro Importing Co. / 233 Fulton St., N.Y.C. / [F]oreman's / Ins[pection?]". Reference: Tyne, "Saga of the Vacuum Tube," 107-114, 185-188.
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.320862
label: catalog number
content: 320862
label: accession number
content: 241556
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 in x 5 1/4 in x 3 3/8 in; 10.16 cm x 13.335 cm x 8.5725 cm