Cossor "Point One" detector and low frequency triode
date: label: date made
content: ca 1926
name: label: maker
content: A. C. Cossor, Ltd.
notes: label: Description (Brief)
content: A 4-pin plastic base with banana pins. S-shaped envelope half silvered by getter stain. A. C. Cossor, Ltd. Marked: "Cossor / Point One / Det. & L.F. / Specially designed for rectification & / low frequency amplification / Fil. Volts 1.8V / Fil. Amps .1A / Max. Anode Volts 120V / British Radio Valve / BVA / Manufacturers Association / 89C / Covered by Patents". Reference: Tyne, "Saga of the Vacuum Tube," page 376.
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.322498
label: catalog number
content: 322498
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 in x 1 1/2 in; 10.16 cm x 3.81 cm