Patent model, Field dynamo circuit, US Patent #236,569
Patent model, Field dynamo circuit, US Patent #236,569
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- Location
- Currently not on view
- Object Name
- Dynamo Current Equalizer
- current equalizer
- Other Terms
- Dynamo Current Equalizer; Magnetic Devices; Electromagnetic Devices; Electromagnetic Devices
- maker
- Field, Stephen D.
- Measurements
- overall: 9 in x 12 in; x 22.86 cm x 30.48 cm
- ID Number
- EM.308590
- catalog number
- 308590
- accession number
- 89797
- See more items in
- Work and Industry: Electricity
- Data Source
- National Museum of American History
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