Reconstruction of Crompton copper strip system showing original glass insulators, later porcelain insulator, service stirrups and strainers (1886) Reconstruction of Crompton copper strip system showing original glass insulators 1886
Reconstruction of low-voltage copper strip system, designed by Latimer Clark and Muirhead for St. Pancras in 1891 and showing "single pancake" and "double pancake" insulators, jockey-piece and manhole insulators Reconstruction of low-voltage copper strip system 1891