Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,755 pages of information and 211,898 images on early companies, their products and the people who designed and built them.
Marvel-JAP were motorcycles produced from 1909 to 1912.
Little is known of this make and it only had a short life. Small numbers of machines were constructed by fitting JAP engines to stock cycle parts. Both single and V-twin engines were used and the design was typical of the era.
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