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 138,904 pages of information and 225,312 images on early companies, their products and the people who designed and built them.

P. H. Parr

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Mechanical engineer.

1903 Wrote on 'Connecting and Coupling Rods'

1911 Writes from Birkenhead

1915 Writes from Great Crosby on 'Coupling Rods'.

1921 Wrote about "Water Film on Evaporating and Condensing Tubes" in The Engineer 1921/05/27.

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