US Patent: 870,596
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| Motor-controller
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Patentee:
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| Lewis L. Tatum (exact or similar names) - Norwood, OH |
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Patent Dates:
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| Applied: |
Aug. 31, 1906 |
| Granted: |
Nov. 12, 1907 |
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Jeff Joslin
Vintage Machinery entry for Allis-Chalmers Mfg. Co.
Vintage Machinery entry for Bullock Electric Mfg. Co.
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Description: |
| "My invention is especially applicable to mill motors and mine hoists where it is necessary to frequently stop, start and reverse the motors. It is also well adapted for use upon electric locomotives and in all places where large currents or high voltages are to be controlled." |
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