Letter 1916 Mar 4
- Made:
- 1916
- maker:
- Alexander Siemens
[Letter] 1916 Mar 4, 354 Caxton House, Westminster, London, S W [to] Prof[essor] Silv[anus] P. Thompson, Morland, Chislett Road, NW / Alex[ander] Siemens. [Referring to the success of our second transformer in spite of "blue" leakage on the terminals]