Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 132,835 pages of information and 210,602 images on early companies, their products and the people who designed and built them.
Note: This is a sub-section of Thornycroft.
1904 March. Details of the carburetter.
1904 March. Details of their 20hp petrol car.
1905 February. Details of their 24hp car.
1905 August. Details of the 14hp T.T. car.
1905 November. Details of their 14hp and 24hp cars.
1906 Produced 14, 24 (both four-cylinders) and 26 (six-cylinders) cars with shaft drive. 
1906 November. Details of their 30 hp car.
1908 November. Details of the 18-hp car shown at Olympia.