. . . "Nicholas Trestrail (December 1858 \u2013 1922) was a British mining engineer in Redruth, Cornwall, England. He was the designer of the Harvey's Engine, a Cornish beam engine initially used as a pumping engine as of 1892 in the and from 1924 till 28 September 1954 in the East Pool mine. He was born, worked, lived, and died in Redruth. He married Grace Wilkins Michell, and had 6 children, and 1 servant."@en . . . . . "1083718831"^^ . "Nicholas Trestrail"@en . . . . . . . . "3798"^^ . . . . . "Nicholas Trestrail (December 1858 \u2013 1922) was a British mining engineer in Redruth, Cornwall, England. He was the designer of the Harvey's Engine, a Cornish beam engine initially used as a pumping engine as of 1892 in the and from 1924 till 28 September 1954 in the East Pool mine. He was born, worked, lived, and died in Redruth. He married Grace Wilkins Michell, and had 6 children, and 1 servant."@en . . . . . . . . . . . . . . "59273948"^^ . . . . . . . . . .