Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 132,747 pages of information and 210,006 images on early companies, their products and the people who designed and built them.
E. Spencer and Co of 87 Fenchurch Street, London EC
1892 Crystal Palace Electrical Exhibition. Macdonald-Lishmay patent subway electrical conduit. 
1894 June. Royal Agricultural Society's Show. Artificial Rearer for chickens.