of West Drayton, Middlesex.
1903 Private company.
1913 Advert. Flexible couplings and double helical gears.
1913 Manufactured helical gears for use with marine propulsion turbines for Parsons Marine Steam Turbine Co[1].
1914 of West Drayton, Middlesex.[2]
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" [3]
1941 Company made public.
1961 General engineers, engaged as gear specialists and machine tool makers [4]
See Also
Sources of Information
- ↑ The Times, 24 September 1913
- ↑ The Engineer 1914/07/24, p 108.
- ↑ 1937 The Aeroplane Directory of the Aviation and Allied Industries
- ↑ 1961 Dun and Bradstreet KBE
- Mechanical World Year Book 1913. Published by Emmott and Co of Manchester. Advert p50
- Mechanical World Year Book 1917. Published by Emmott and Co of Manchester. Advert p77 & p118
- Mechanical World Year Book 1919. Published by Emmott and Co of Manchester. Advert p103 & p158
- The Engineer of 2nd Jan 1920 p26
- Mechanical World Year Book 1927. Published by Emmott and Co of Manchester. Advert p118