Two quartz crystals for radio
date: label: date made
content: ca 1925
notes: label: Description (Brief)
content: .01: One piece of unprocessed quartz, roughly a pyramid in shape with a polished flat base. No extant maker’s marks.
label: Description (Brief)
content: .02: One processed quartz crystal, polished square shape with marking "219 KC".
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.325486
label: catalog number
content: 325486
label: accession number
content: 252994
objectType: label: Object Name
content: Crystal, Quartz
label: Object Name
content: crystal
label: Object Name
content: quartz crystal
label: Other Terms
content: Crystal, Quartz; Components; Radio and Television; Radio and Television
physicalDescription: label: Measurements
content: .01: 2 1/8 in x 3 in x 1 1/4 in; 5.3975 cm x 7.62 cm x 3.175 cm
label: Measurements
content: .02: 1 3/16 in x 7/8 in x 1/4 in; 3.01625 cm x 2.2225 cm x .635 cm