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James Sidney Critchley
1866 Q1 Born Dewsbury
1891 Living with his parents William and Sarah at Ilkley, aged 25 years and described as a mechanical engineer 
1896 Joins Daimler as Works Manager
1897 July. Married.
1900 May. Leaves Daimler to join British Electric Traction Co as a 'motor expert'
1901 Living with wife Annie at Beckenham, aged 35 and described as a mechanical engineer 
1904 'CRITCHLEY, J. S., M.I.M.E., Victoria Works, Belvedere Road, Lambeth, London, S.E. Is manager of the Brush Electrical Engineering Company, Limited. Was one of the earliest pioneers of the motor-car industry in this country. Was Manager of the Daimler Motor Company, Limited, for four years, leaving to join the British Electric Traction Company, Limited, and its associated Company, the Brush Electrical Engineering Company, Limited, to both of which his expert knowledge has proved of the greatest value. Had the honour of giving His Majesty, when Prince of Wales, his first experience of motoring on English roads, driving him from Warwick Castle to Compton Verney and Wellesbourne, in May, 1898. In June of the same year, on a 6 h.p. Daimler van, achieved a record which has not yet been excelled, running the van, carrying a ton load, over the selected course without a single stop, the cost of fuel for the journey of fifty miles being only 21.1d. or 0.18d. per ton per mile, and 0.465d. per ton of cargo per mile. The van obtained an award of £100. Since leaving the Daimler Motor Company, has collected data and experimented considerably with vehicles for heavy haulage, and is successfully running His Majesty's mails between Liverpool and Manchester, the vans being the property of the Motor Haulage Company, of which he is a Director. Club: A. C. G. B. & I. (Founder Member, Committee.)' 
1906 William Norris of Blackpool, engineer, with James Sidney Critchley of Shortlands, Kent, patented improvements in construction of compensating gear, shafts and axles for self-propelled vehicles, improvements in construction of condensers, radiators or cooling apparatus for self-propelled road vehicles, improvements in construction of clutch operating gears for motor vehicles or other purposes.
1944 Captain J. S. Critchley. Died at Bickley, Kent age 79. First manager of Daimler at Coventry, founder manager of the Royal Automobile Club (RAC) and co-founder with Frederick Simms of the Society of Motor Manufacturers and Traders (SMMT) 
1903 Bio Note 
CRITCHLEY, J. S.,M.I. Mech. E., has been interested in automobilism since 1896, when, after several years' engineering experience in the North of England, he took up the management of the Daimler Motor Company, Limited. Resigning this position after four years, he joined the British Electric Traction Company, Limited, and its associated companies. He successfully drove a car through the 1000 miles Trial, and acted as a Judge in the Reliability Trial of the Club in 1902.
1943/44 Obituary 
James Sidney Critchley was born in 1865 and educated at Bradford Grammar School.
In 1896 he was appointed the first Manager of the Daimler Motor Co.'s works at Coventry. Relinquishing his post as Works Manager in 1901, he became a Director of the Company and also Technical Adviser to the British Electric Traction Company.
After the last war, during which he was Chief Inspector of M.T., he carried on his own practice as a Consulting Engineer up to the time of his death.
He died on 19th October, 1944, at the age of 79. He designed the original Crossley car and the Critchley-Norris commercial vehicle.
He was co-founder, with F. R. Simms, of the Society of Motor Manufacturers and Traders and a founder member of the Royal Automobile Club. He was elected a Member of this Institution in 1907 and was President for the Session 1913-14. Further details of his career were published in the Journal for December, 1944.
1944 Obituary