Frequency indicator vibrating reed meter
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Licensefrequency indicator vibrating reed pattern model III
Science Museum Group
© The Board of Trustees of the Science Museum
frequency indicator vibrating reed pattern model III, 45-55 volts, no. 51526
Details
- Category:
- Electricity Supply
- Object Number:
- 1912-306
- Materials:
- ferrous metal, mica, paint and cardboard
- Measurements:
-
overall: 100 mm x x , 207 mm,
- credit:
- Everett, Edgcumbe and Company Limited
