of Empress Works, Huddersfield.
1904 Company founded by Ernest Brook who made his first a.c. motor in Huddersfield
1927 Advert for electric motors 
1927 Mr L. A. Horsfall of Ing Lees, Marsden, resigned his position as manager of E. Brook Ltd.'s Leicester office, and took over the sole representation in the Midlands of the B. E. N. Patents Ltd., 96-98, Victoria-street, S.W.1
Sources of Information
- Mechanical World Year Book 1927. Published by Emmott and Co of Manchester. Advert p94
- The Engineer 1927/04/01
- The Times, Apr 04, 1951