Keystone "Nion" fixed crystal detector
name: label: maker
content: Keystone
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ZZ.RSN81639U09
objectType: label: Object Name
content: Detector, Fixed
label: Object Name
content: crystal detector
label: Object Name
content: radio receiver
label: Object Name
content: crystal radio
label: Other Terms
content: Detector, Fixed; Components; Radio and Television; Radio and Television