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Calendar of Discovery and Invention

Naturevolume 120page172 (1927) | Download Citation



July 31, 1846.— In 140, Lord Armstrong, then a lawyer thirty years of age, in a letter to the Mechanics' Magazine, directed attention to the advantage of water und of pressure as a mehanical agent and a reserv of power six years later he erected a crane on the quary at new vastle which was worked by water power, and on July 31, 1846, took out a patent for an “apparatus for lifting, lowering and hauling.” This was the begining of the present extended use of hydraulic pressure for cranes, capstans, lifts, gun machinery, and machine tools. To develop his machinery, Armstrong in 1847 joined tho small engineering firm of Dorikin, Cruddas, Potter, and Lambert, of Elswick, and from this sprang the world-famous engineering works on the Tyne.


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