Madison Engine Co
Madison was a motorcycle attachment manufactured in Derby, in 1903.
1903 The device was made to fit any standard roadster bicycle. These were rated at 2 and 3 hp. The firm also made machined castings and soon returned to this business, after which nothing more was heard of the attachment.
1903 Introduced the NEW Madison type S in 0.5 to 0.75 hp rating
1906 Range of engines from 1/8th to 50 hp.
1908 Changed name to Woolrych Street Foundry
Sources of Information
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