Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 149,270 pages of information and 234,239 images on early companies, their products and the people who designed and built them.
Stephen and Joseph Whitham of Kirkstall, Yorkshire
Maker of stationary engines. 
'The manufactory of Messrs. S. and J. Whitham, established in 1790, affords occupation to 120 men, in making machinery of all kinds, mill-work, and implements of every description, both for the home and export trades' 
1839 Double beam engine at Hattersley and Co., Leeds (textile spindle makers). Geared to drive underground shaft. Rebuilt as a compound at some point. Photographed by George Watkins in 1937