Federal mercury vapor rectifier
date: label: date made
content: ca 1935
name: label: maker
content: Federal Telephone & Telegraph Co.
notes: 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.323130
label: catalog number
content: 323130
label: accession number
content: 241556
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Object Name
content: rectifier
physicalDescription: label: Measurements
content: overall with leads: 27 in x 7 1/2 in; 68.58 cm x 19.05 cm