Western Electric type 104D vacuum triode
date: label: date made
content: ca 1935
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: Telephone repeater and audio amplification tube. A plastic base with four brass pins. domed envelope. Marked: "Western Electric / Made in U.S.A. / 104-D. Specification sheet notes: "This tube replaces the D-86327 tube and has been assigned the old code number 104D. It includes an improved filament, a new mechanical design using transverse mica supports and is mounted in a dome type bulb. The electrical characteristics are essentially the same as for the D-86327 tube. Applications: Voice frequency and carrier frequency amplifier for telephone repeater equipment requiring greater power outputs than can be obtained from the l0lD or l0lF type tubes. Volume limiter in carrier telephone equipment. Amplifier in various testing apparatus." Reference: https://www.westernelectric.com/s/104D.pdf.
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.321170
label: catalog number
content: 321170
label: accession number
content: 241556
objectType: label: Object Name
content: triode
label: Object Name
content: vacuum tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 3/8 in x 1 3/4 in; 11.1125 cm x 4.445 cm