Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,710 pages of information and 247,104 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
1887 Brief description and engraving of triple expansion engines made by John Jones and Sons of Brunswick Dock, Liverpool, designed for working with an initial pressure of 160 lb. per square inch,. Cylinders 21 in., 35 in., and 53 in. in diameter, with a stroke of 42 in. During the trial trip 1000 indicated horsepower was developed, with an average of 76 revolutions per minute,[1]
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