He improved upon the hydraulic presses invented by Joseph Bramah , and in 1825 designed a huge press for testing chain cables .
In 1814 Murray patented a hydraulic press for baling cloth , in which the upper and lower tables approached each other simultaneously .
Murray improved upon the hydraulic presses invented by Joseph Bramah , and in 1825 designed a huge press for testing chain cables .
In 1814 Murray patented a hydraulic press for baling cloth , in which the upper and lower tables approached each other simultaneously .