Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,991 pages of information and 232,842 images on early companies, their products and the people who designed and built them.
William Dederich, of W. Dederich Ltd, 4, Dean Stanley Street, Westminster, railway contractor
1921 Acquired Wooler Engineering Co and refinanced it as Dederich-Wooler Engineering Co
1929 W. Dederich Ltd offered the Debag feed water heater for steam locomotives.