Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 140,784 pages of information and 227,393 images on early companies, their products and the people who designed and built them.
of West Drayton, Middlesex.
1903 Private company.
1913 Advert. Flexible couplings and double helical gears.
1914 of West Drayton, Middlesex.
1917 Advert. Flexible couplings and double helical gears.
1919 Advert. Flexible couplings and double helical gears.
1920 Published list no 13 illustrating double helical and other gears, the Sykes gear-cutting machine, flexible couplings and the Mitchell thrust block.
1927 Advert for gearing.
1937 General Engineers and Gears Specialists. "Chevroc" Pumps. "McLeod" Thread Milling Machines. "P.P.Gears" 
1941 Company made public.
1961 General engineers, engaged as gear specialists and machine tool makers