US Patent: 70,213
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| Steam Gauge
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Patentee:
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| John P. Holt (exact or similar names) - Cleveland, Cuyahoga County, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Oct. 29, 1867 |
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Joel Havens
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Description: |
| In 1878 the inventor was superintendent of the Cleveland Steam Gauge Co.
This patent was improved with patent #129,958.
Claims:
1. The arrangement of tlie lever I, link K, and adjusting-arm D with the bow C, chain G, and spindle E, substantially as set forth.
2. The combination of the abutments Il with the case A and spring R, substantially as herein set forth.
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