Experimental diode
date: label: date made
content: ca 1936
notes: label: Description (Brief)
content: A 4-pin plastic base with internal rod running length of tube. Tipped T-shaped envelope with black tape on exterior covering about 40% of surface. No extant maker's markings. Similar in construction to a Crosley type W42419 Visi Glow tube.
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.323260
label: catalog number
content: 323260
label: accession number
content: 241556
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: diode
label: Object Name
content: coronal discharge lamp
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 in x 5/8 in; 10.16 cm x 1.5875 cm