National Union type 2-AP-5 CRT
date: label: date made
content: 1944
name: label: maker
content: National Union Radio Corp.
notes: label: Description (Brief)
content: An 11-pin plastic base with center post, glass bell, aquadag coating. Inked on electron gun: “B”. Donor’s card reads: “Cathode ray tube made by the National Union Radio Corporation of Lansdale, PA, in 1944 for the US government. Two inch electrostatic deflection type, green fluorescence. Heater: 6.3 volts at .6 ampere. Typical operation: 1000 volts on anode #2 and 1000 volts grid #2, Anode #1 at 75% of grid #1 for focus, negative grid bias for cutoff of grid #1 60 volts.”
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.325045
label: catalog number
content: 325045
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: cathode ray tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 7 1/2 in x 2 1/4 in; 19.05 cm x 5.715 cm