Grebe type CR-5 radio receiver
date: label: date made
content: 1922
name: label: maker
content: A. H. Grebe & Co.
notes: label: Description (Brief)
content: A green oak box with bakelite panel, two black 4" tuning dials, eight binding posts. A single socket rheostat and double-armed tap selector. Regenerative detector with feedback provided by a tickler coil. Wavelength: 150 to 3000 meters A popular early broadcast receiver with the tube rheostat on the front panel. Bureau of Standards property number R 2928. Unit tested in the 1970s with a 90 volt B-battery and gave "excellent" operation. Reference: https://www.radiomuseum.org/r/grebe_vernier_cr5.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from the United States Bureau of Standards, Dept. of Commerce
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.313576
label: catalog number
content: 313576
label: accession number
content: 188571
label: collector/donor number
content: R-2928
objectType: label: Object Name
content: Radio receiver
label: Other Terms
content: Radio receiver; Radio
physicalDescription: label: Measurements
content: overall: 7 1/4 in x 17 in x 8 in; 18.415 cm x 43.18 cm x 20.32 cm