NF Patent: NF-34
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| Improvement in the extraction of copper from its ore
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Patentees:
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| Thomas Sterry Hunt (exact or similar names) - Québec City, QC Canada |
| James Douglas (exact or similar names) - Leeds, QC Canada |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Apr. 23, 1869 |
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Jeff Joslin
Wikipedia biography of T. Sterry Hunt
Wikipedia biography of James Douglas
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Description: |
| At the time the patent was issued, James Douglas was the managing director of the Harvey Hill Copper Company. T. Sterry Hunt was a chemist and mineralogist to the Geological Survey of Québec and a professor at Université Laval. |
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