William Dent Priestman
(1847-1936)

Died aged c. 89

William Dent Priestman (23 August 1847 – 7 September 1936), born near Kingston upon Hull was a Quaker and engineering pioneer, inventor of the Priestman Oil Engine, and co-founder with his brother Samuel of the Priestman Brothers engineering company, manufacturers of cranes, winches and excavators. Priestman Brothers built the earliest recorded railway locomotive powered by an internal combustion engine.

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Commemorated on 1 plaque

William Dent Priestman (1847-1936) Inventor of the world's first commerically successful oil engine in 1885. Founder of Priestman Brothers Ltd Grab, Crane and Excavator Makers in 1870 lived here from 1910 to 1936

77 Village Rd, Hull, United Kingdom where they lived (1910-1936)