Electro Importing Co. crystal radio frequency detector
date: label: date made
content: ca 1912
name: label: maker
content: Electro Importing 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 C. C. Hough
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.309806
label: catalog number
content: 309806
label: accession number
content: 109247
objectType: label: Object Name
content: Spark Gap, Fixed
label: Object Name
content: radio component
label: Object Name
content: crystal radio
label: Other Terms
content: Spark Gap, Fixed; Radio
physicalDescription: label: Measurements
content: overall: 3 1/2 in x 3 1/2 in x 2 1/2 in; 8.89 cm x 8.89 cm x 6.35 cm