Marconi-Osram receiving triode
name: label: maker
content: Marconi-Osram Valve Co., Ltd.
notes: label: Description (Brief)
content: Four-pin metal base (long pins), with tipped S-shaped envelope. Donor’s card reads: Receiving type triode made by the Marconi Company of England. Filament: 1.8 to 2 volts at .4 ampere. Plate 30 to 50 volts." Molded on base insulator: "MOV / Co. Ltd.". Paper label: "Fil Volts 1.8-2.0 Fil. Amps .04 av. Anode Volts 30-50 / This valve has been thoroughly tested before leaving the / Works, and no responsibility can be accepted for Valves / used under conditions other than the above. / 10". Envelope stamped: "Marconi Valve / Osram / Covered by Various Patents / Made in England".
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.324429
label: catalog number
content: 324429
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: 4 1/2 in x 1 3/4 in; 11.43 cm x 4.445 cm