copper helix
name: label: maker
content: Varian Associates
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 Varian Associates
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.329750
label: catalog number
content: 329750
label: accession number
content: 282003
objectType: label: Object Name
content: radio
label: Object Name
content: traveling wave tube
label: Object Name
content: helix
physicalDescription: label: Measurements
content: overall: 12 5/8 in x 1 in; 32.0675 cm x 2.54 cm