Interrupter, by G. and Adolphus Gaiffe
1870-1910
Potential reducing board for charging accumulators by A. Gaiffe
1890-1910
Contremoulins-Gaiffe switch for coil induction
1901-1910
Coil on stand
1880-1920
Direct current transformer inducer
1905
Battery box with rheostat
1890-1920