| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
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| Bramah, Joseph |
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(br m´ , brä´) (KEY) , 17481814, English inventor. In 1784 he took out his first patent on a safety lock, and in 1795 he patented his hydraulic press, known as the Bramah press (see under hydraulic machine). He devised a numerical printing machine for bank notes and was one of the first to suggest the practicability of screw propellers and of hydraulic transmission. |
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| | | The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
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