Small rectangular control panel for electrotherapeutic machine with points for variable voltages 1870-1930
Control panels (2) for electrotherapy machines, one by A. Gaiffe, Paris, France, 1890-1925 Control panels (2) for electrotherapy machines 1890-1925
Control panel for electrotherapy machine invented by De Rochfort, made in France, 1899-1920 Control panel for electrotherapy machine invented by De Rochfort
Control panel for Kinitron Ignitor, metal, with voltmeter and ammeter, English, early 20th century Control panel for Kinitron Ignitor 1901-1930
Control panel, metal, by Harry W. Cox, 47 Gray's Inn Road, London, England, 1901-1930. Control panel 1901-1930
Control panel, wood case, metal fittings, by William Hulme, Edinburgh, 1900-1910 Control panel 1900-1910
Control panel with two carbon filament light bulbs, by A. Gaiffe, Paris, 1903-1904, owned by Dr. A. Bruce, Edinburgh, 1904-1910 Control panel with two carbon filament light bulbs 1903-1904
Control panel, by A. Gaiffe, Paris, 1901, owned by Dr A. Bruce, Edinburgh, 1901-1910 Control panel 1909