US Patent: 879,847
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| Safety controlling mechanism
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Patentee:
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| Thaddeus R. Bell (exact or similar names) - Westfield, NJ |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 11, 1907 |
| Granted: |
Feb. 25, 1908 |
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Jeff Joslin
Vintage Machinery entry for Bell Electric Motor Co.
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Description: |
| This safety device is for locomotive engines and street cars, and it automatically reduces speed when going around a curve. The idea would seem to be of limited usefulness because it can only engage once the axles begin to turn. |
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