Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,881 pages of information and 228,796 images on early companies, their products and the people who designed and built them.
Holbeck Engineering Works, Leeds. (1912 Advert).
Wortley Works and Whitehall Tool Works, Leeds.
1894 John Perkin, managing director.
1914 Advertising the 'Fifteen Guinea Miller'
1917 Advert for 'Perco' presses, millers, hacksaws and grinders 
1927 Advert for hacksaw machines