Thornewill and Warham
Thornewill and Warham of Burton-on-Trent were brewery and general engineers.
1852 'BURTON ENGINE WORKS.- The long-established iron foundry for many years carried on by Messrs. Thornewill, but now under the firm of Thornewill and Warham, has now become a manufactory of the locomotive steam-engine. The first locomotive engine manufactured at Burton was turned out a few weeks ago, and now there are several more in course a of construction. These works are about to be enlarged, and plans are in the hands of the builders for this purpose.'
1860 Supplied a beam pumping engine to Mill Close Lead Mines in Darley Dale
1861 Commenced locomotive building for Bass, Ratcliffe and Gretton
1897 Supplied two vertical pumping engines to The Bratch Pumping Station (see photo)
1891 Supplied a winding engine to Elliott Colliery (see photo)
1900 Supplied a winding engine to the Powell Duffryn Co
1907 Incorporated as a Limited Company.
Thornewill & Warham winding engine at Cresswell Colliery, No. 1 shaft. Two 40" cylinders, 7 ft stroke, 20 ft dia parallel drum.
1914 Engineers, Iron and Brass Founders, Millwrights and Boilermakers. Specialities: Colliery and mining plant, waterworks and sewage plant, brewery and general engineering, winding and hauling plant, blowing engines, compound and condensing engines, pumping engines. Employees 300 to 500. 
Sources of Information
- British Steam Locomotive Builders by James W. Lowe. Published in 1975. ISBN 0-905100-816
- The Steam Engine in Industry by George Watkins in two volumes. Moorland Publishing. 1978/9. ISBN 0-903485-65-6
- Derby Mercury - Wednesday 21 April 1852
- Staffordshire Advertiser - Saturday 17 July 1858
- Derbyshire Courier - Saturday 10 September 1910
- 1914 Whitakers Red Book