Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,258 pages of information and 223,668 images on early companies, their products and the people who designed and built them.
South Hants of Floating Bridge Works, Portsmouth, produced a motorcycle in 1903.
This model had an engine fixed behind the rear wheel of a bicycle. One particular model was an old Humber fitted with a 2.5hp Minerva engine. The positioning of this was said to remove vibration from the rider, while the actural vibration helped to propel the machine.
The British Motorcycle Directory - Over 1,100 Marques from 1888 - by Roy Bacon and Ken Hallworth. Pub: The Crowood Press 2004 ISBN 1 86126 674 X