US Patent: 5,539X
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| Ascertaining the Weights of Goods, or Other Loading of Boats or Other Water Craft
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Patentee:
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| Thomas Cohoon (exact or similar names) - Troy, Rensselaer County, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jun. 18, 1829 |
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Joel Havens
X-Patents
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Description: |
| Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. There are no patent drawings available. This patent is in the database for reference only.
"For a mode of Ascertaining the Weight of Goods, or other Loading, in Boats, or other water craft; Thomas Cohoon, Troy, New York, June 18.
Tubes are to be fixed on the gunwale of the boat, or in any other convenient part. These tubes are to stand vertically, are to be open at both ends, and their lower ends dip into the water. Floats, with graduated stems, are used to ascertain the height of the water in these tubes; these stems having been once graduated by actually loading the boat by tons, or half tons, will ever after indicate the weight of the loading. The floats may be made of any buoyant material, as of cork, hollow balls of metal, &c., and when the load is unequally distributed, the measurement may be taken in different parts of the vessel."
Journal of the Franklin Institute Vol. 6, Sept. 1829 pg. 189
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