Jonah and George Davies
Jonah and George Davies of Albion Foundry, Tipton.
1851 Awards at the 1851 Great Exhibition.
1855 Single cylinder vertical winding engine at The Wharncliffe Silkstone Colliery, Nr Barnsley. Photographed by George Watkins in 1954. Note: Text refers to A & G Davies, but the initials J & G can be seen in the photograph 
Sources of Information
- Stationary Steam Engines of Great Britain: Volume 1: Yorkshire. Landmark Publishing Ltd., 2000
-  Recent photograph of engine
- Stationary Steam Engines of Great Britain: Volume 10 by George Watkins