3-arm radio signal detector on marble base
notes: label: Description (Brief)
content: 3-arm radio signal detector on marble base, 1 crystal in holder, contact is another crystal rather than a cat's whisker, wood handle, connector strap on base.
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.241556.211
label: accession number
content: 241556
label: catalog number
content: 241556.211
objectType: label: Object Name
content: crystal detector
physicalDescription: label: Measurements
content: overall: 3 3/8 in x 2 5/8 in x 4 5/8 in; 8.5725 cm x 6.6675 cm x 11.7475 cm