Central-valve high speed steam engine, working model, scale 1:4, sectioned through one cylinder and crank case, Willans and Robinson Limited, Rugby, Warwickshire, England, 1901 Willans central-valve high speed steam engine 1901 1901
Crompton dynamo, from Willan’s central-valve high speed steam engine, working model, scale 1:4, Willans and Robinson Limited, Rugby, Warwickshire, England, 1901 Crompton dynamo from central-valve high speed steam engine 1901 1901