Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,179 pages of information and 233,417 images on early companies, their products and the people who designed and built them.

Alexander Crichton

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Engineer of Cork.

1861 Patented a lifting screw propeller

1870 Invented a surface condenser. Examples were installed in the steam launches of HMS Cambridge and HMS Lord Clyde.[1]

See Also


Sources of Information

  1. [1] Engineering, 8 July 1870, p.23