xc-patents:xc-411
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| + | ====== Patent XC-411: 1853-06-11, Improved mode of constructing steam engines ====== | ||
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| + | ^ X Number | ||
| + | | XC-411 | ||
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| + | ===== Comments ===== | ||
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| + | XC patents are Canadian patents issued between 1824 and 1869. | ||
| + | This patent was the extension of patent {XC85} to Upper Canada. | ||
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| + | ===== Information Sources ===== | ||
| + | |||
| + | (To be filled in.) | ||
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| + | ===== External links ===== | ||
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xc-patents/xc-411.txt · Last modified: 2019/05/25 00:16 by 127.0.0.1