To discover a machine in this state needs a little luck . A 1913 Lea Francis with 400 cc twin JAP engine , fully enclosed chains , two-speed gearbox with hand and foot clutch , and low-pressure tyres , in as found condition .
Discovering Old Motor Cycles By T. E. Crowley N° 160 in the Discovering series First published 1973 Shire Publications Ltd. 12B Temple Square - Aylesbury Bucks - UK