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Charles Thomas Crowden (c1859-1922) of Leamington.
c1859 Son of a schoolmaster and his grandfather kept the Blue Coat School in Bath for 50 years and there is a memorial to him in the Abbey.
Educated at Bath Grammar School
Worked for Merryweather and Sons
Chief engineer of Humber
Worked for the Great Horseless Carriage Co
1887 Built a 'Petrolcycle' for a Mr. Butler. Description and image.
1891 Report of a burglary at his house in Semilong, Northampton.
1893 Patent. 'for improved raising and lowering gear for fire escapes' 
1898 January. Concerns Hooley's Hydraulic Joint Co and states that Crowden is the inventor. This is a machine for jointing the tubes of a bicycle by water pressure and has been sold to E. T. Hooley. Crowden of Vernon Lodge, Eastnor Grove, Leamington, and has been in Leamington for twelve months. Many more details in this article.
1898 May. Concerns the British Hydraulic Jointing Co. 'Charles Thomas Crowden, of Beeston, in the County of Notts, and other subsidiary Patents subsequently acquired by the Hydraulic Joint Syndicate'
1899 Described as a motor car manufacturer, Chapel Street, Leamington, in a court action he brings.
1901 Built a fire engine for Norwich Union.
1901 Living at 10 Eastnor Grove, Coventry (age 42 born Halesworth, Suffolk), a Mechanical Engineer and Employer. With his wife Emily (age 45 born Langley Broom, Mddx.) and their children Nellie (age 14 born Lewisham), Marianne E. (age 13 born Lewisham), Frederick C. (age 10 born Northampton), and Edith N. (age 7 born Northampton). One servant. 
1904 The entire Leamington business and stock offered for sale including '...AT THE MOTOR WORKS, CHAPEL STREET, LEAMINGTON. FREDERIC W. GOODEVE is instructed TO SELL BT AUCTION, without reserve, The Entire Costly MOTOR AND ENGINEERING PLANT, including COSTLY 24-H.P. MOTOR CHEMICAL FIRE ENGINE, also a PARCEL DELIVERY MOTOR VAN, Two MOTOR CHARS-A-BANC, Two MOTOR WAGONETTES; also the OFFICE FURNITURE, Smith Premier TYPEWRITER, &. Also, at the same time and place, the LEASEHOLD PROPERTY, occupying an important corner position in CHAPEL STREET, LEAMINGTON, held on lease, having about 12 years unexpired...'
1922 Q4. Died in Nottingham district