Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,706 pages of information and 232,164 images on early companies, their products and the people who designed and built them.
Catley and Ayres of York
In 1869, a small three-wheeled vehicle propelled by a horizontal twin cylinder engine which drove the rear axle by spur-gearing; only one rear wheel was driven, the other turning freely on the axle. A vertical fire-tube boiler was mounted at the rear with a polished copper casing over the fire box and chimney; the boiler was enclosed in a mahogany casing. The front wheel was used for steering and the weight was only 19 cwt.