Edgar de Normanville
Born 13 October 1882 in Leamington Spa, the eldest son of William de Normanville (1843–1928), a civil engineer, and his wife born Elizabeth Simonds he was educated at Ampleforth College and completed an engineering apprenticeship.
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Fascinated by the development of motor vehicles he joined the editorial staff of the weekly motoring magazine The Motor in 1908. Following service with the Royal Engineers in the first world war he became motoring correspondent of The Daily Express and later The Chronicle.
He designed an epicyclic four-speed gearbox produced by Humber during the 1930s but is best known for his epicyclic overdrive manufactured from the 1940s by Sheffield's Laycock Engineering. His design made it possible to shift instantly from overdrive to direct drive and back again without a break in the drive.
- UK Census 1891 and 1901 accessed through FindMyPast.com 12 July 2016
- Capt E. J. De Normanville. The Times, Friday, Jan 19, 1968; pg. 10; Issue 57153
- Deaths. The Times, Thursday, Jan 18, 1968; pg. 16; Issue 57152
- Deaths. The Times, Tuesday, May 16, 1978; pg. 28; Issue 60302
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