coronal discharge tube
date: label: date made
content: ca 1925
notes: label: Description (Brief)
content: A double-ended tube with two brass caps, tipped tubular glass envelope. Two platinum ribbons are mounted parallel with each connected one connected to a cap. There is no electrical continuity in this tube. It appears to be either a coronal discharge lamp or possibly an air-gap resistance. No extant maker's marks.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Susan Horle
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.314098
label: catalog number
content: 314098
label: accession number
content: 195337
objectType: label: Object Name
content: resistance
label: Object Name
content: discharge lamp
label: Object Name
content: glow lamp
label: Object Name
content: diode
label: Object Name
content: electron tube
physicalDescription: label: Measurements
content: overall: 1 1/4 in x 1/2 in; 3.175 cm x 1.27 cm