diode tube
notes: label: Description (Brief)
content: A plastic 4-pin base, brass pins, tipped T-shaped envelope. Vertically mounted assembly with a square plate and 7 horizontal filaments (carbon?) in parallel. Loose powder inside tube. No extant maker's marks. Base is cracked. Chicago Museum #30.475 on tag.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from the Museum of Science and Industry (Chicago)
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.271855.11
label: collector/donor number
content: 30.475
label: accession number
content: 271855
label: catalog number
content: 271855.11
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: diode
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Physical Description
content: composition (overall material)
label: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 6 5/8 in x 1 1/2 in; 16.8275 cm x 3.81 cm