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xc-patents:xc-170

Patent XC-170: 1842-01-13, An improved method of giving motion and efficacy to the propellor in steam boats and other vessels

X Number Date Inventor City Title
XC-170 1842-01-13 Charles Maitland Tate Kingston, ON Canada An improved method of giving motion and efficacy to the propellor in steam boats and other vessels

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xc-patents/xc-170.txt · Last modified: 2019/05/25 00:16 (external edit)