Set of four mineral crystals for radio frequency detection
notes: label: Description (Brief)
content: A set of four unprocessed radio crystals. Two appear to be galena, and two appear to be silicon. No extant markings.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.325346
label: catalog number
content: 325346
label: accession number
content: 252994
objectType: label: Object Name
content: Crystal
label: Object Name
content: crystal
label: Object Name
content: crystals
label: Object Name
content: radio crystals
label: Other Terms
content: Crystal; Components; Radio and Television; Radio and Television
physicalDescription: label: Measurements
content: .01: 3/4 in x 2 1/4 in x 1 1/2 in; 1.905 cm x 5.715 cm x 3.81 cm
label: Measurements
content: .02: 1/2 in x 1 in x 7/8 in; 1.27 cm x 2.54 cm x 2.2225 cm
label: Measurements
content: .03: 3/4 in x 3/4 in x 1 in; 1.905 cm x 1.905 cm x 2.54 cm
label: Measurements
content: .04: 3/8 in x 1 1/4 in x 1 in; .9525 cm x 3.175 cm x 2.54 cm