Hydraulic Presses
In 1814 Murray patented a hydraulic press for baling cloth, in which the upper and lower tables approached each other simultaneously. He improved upon the hydraulic presses invented by Joseph Bramah, and in 1825 designed a huge press for testing chain cables. His press, built for the Navy Board, was 34 ft long and could exert a force of 1,000 tons. The press was completed just before Murray’s death.
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Famous quotes containing the word presses:
“The Harmless Torturers. In the Bad Old Days, each torturer inflicted severe pain on one victim. Things have now changed. Each of the thousand torturers presses a button, thereby turning the switch once on each of the thousand instruments. The victims suffer the same severe pain. But none of the torturers makes any victim’s pain perceptibly worse.”
—Derek Parfit (b. 1943)