E. Spencer and Co
E. Spencer and Co of 87 Fenchurch Street, London EC
1892 Crystal Palace Electrical Exhibition. Macdonald-Lishmay patent subway electrical conduit. [1]
1894 June. Royal Agricultural Society's Show. Artificial Rearer for chickens. [2]
See Also
Sources of Information
- ↑ 1892 The Practical Engineer
- ↑ The Engineer of 29th June 1894 p562