P. H. Parr
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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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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