Dental cataphoresis apparatus, cased, with accessories, by the Cavendish Electrical Co. Ltd., 130 Great Portland Street, London, W1, 1925-1940. Dental cataphoresis apparatus 1925-1940
Cataphoresis apparatus, in oak box, English manufacture, supplied by Cottrell and Co., London, 1925-1940 Cataphoresis apparatus 1925-1940