Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,853 pages of information and 228,791 images on early companies, their products and the people who designed and built them.
Smith-Skaife was a motorcycle produced in 1913.
This machine had a 567cc sleeve-valve engine in which the two sleeves moved. The engine was installed in a machine and could be run on the road. It was, reportedly, very quiet with a strange-sounding exhaust.
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