US Patent: 9,052
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| Inclined Plane
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Patentee:
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| James S. French (exact or similar names) - Old Point Comfort, Elizabeth City County, VA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jun. 22, 1852 |
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Joel Havens
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Description: |
| Claim:
The rail constructed with the projecting flange, forming a clear space for friction wheels to revolve as described; in combination with the friction wheels g, g, arranged, and operating in manner substantially as set forth, giving to the engineer the power of increasing the adhesion of the engine at his pleasure, and thereby insuring it will at all times work up to its steam capacity. |
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