amateur radio frequency meter

amateur radio frequency meter

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Description (Brief)
A home-made frequency meter housed on a black metal box with controls on the front panel. The tuning dial is marked "National" and reads from 0 to 100. A holder on top has a calibration curve and operating instructions.
Location
Currently not on view
Object Name
Calibrator, Frequency
frequency calibrator
Other Terms
Calibrator, Frequency; Radio
date made
1939
maker
National Radio Co.
Measurements
overall: 8 1/8 in x 8 in x 14 in; 20.6375 cm x 20.32 cm x 35.56 cm
ID Number
EM.336528
catalog number
336528
accession number
1977.0896
See more items in
Work and Industry: Electricity
Data Source
National Museum of American History
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