Rheostat, wall mounted, for use with electrical vibrator, French, 1890-1910 Rheostat, wall mounted, for use with electrical vi Therapeutics 1890-1910
Rheostat, metal, by Celec, English, 1901-1930. Rheostat, metal, by Celec, English, 1901-1930. Therapeutics 1901-1930
Rheostat, wooden board and metal fittings, by Gaiffe of Paris, early 20th century Rheostat, wooden board and metal fittings, by Gaif Therapeutics 1901-1930
Rheostat, metal, by Radiguet, 15 Boulevard des Filles du Calvaire, Paris, France, 1880-1910. Rheostat, metal, by Radiguet, 15 Boulevard des Fil Therapeutics 1880-1910
Part of electrical panel, oak base with rheostat porcelain fuse box and two pin socket connected, also wooden plug attached to flex, French collection, French, c.1900 Part of electrical panel, oak base with rheostat p Therapeutics 1890-1910
Rheostat consisting of 22 separate resistors, European, 1870-1910 Rheostat consisting of 22 separate resistors, Euro Therapeutics 1870-1910
Rheostat in large perforated metal casing, dial on top vary the resistance, made by British Electric Resistance Co. Ltd, Middlesex, English, 1935-1960 Rheostat in large perforated metal casing, dial on Laboratory Medicine 1935-1960
Rheostat consisting of rectangular metal frame with eight ceramic insulators and eight coils, possibly English(?), 1890-1930 Rheostat consisting of rectangular metal frame wit Therapeutics 1890-1930
