Cleartron type CT101A "Hi-Constron" vacuum triode
date: label: date made
content: ca 1925
name: label: maker
content: Cleartron Vacuum Tube Co.
notes: label: Description (Brief)
content: A receiving triode in original box with warranty card and instruction sheet. Marked: "Cleartron / Trade [C-T logo] Mark / H-Constron 101A" Plastic base with four short brass pins. Tipped T-shaped envelope. Mostly silvered on inner wall. Similar to a type 201A triode. Fil. Volts: .5, Fil. Amps: .25, Plate volts: 90-150; Amplification Constant: 20. Reference: https://www.radiomuseum.org/tubes/tube_ct101a.html. See Tyne, "Saga of the Vacuum Tube," page 353 for 1925 date.
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.322566
label: catalog number
content: 322566
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: Physical Description
content: cardboard (box material)
label: Measurements
content: tube: 4 1/2 in x 1 7/16 in; 11.43 cm x 3.65125 cm
label: Measurements
content: box: 5 in x 2 3/8 in x 2 3/8 in; 12.7 cm x 6.0325 cm x 6.0325 cm