Improvements in electrical or electro-magnetic therapeutic apparatus
By: [Ottokar Wacakta]
Contributors: Sachs, Eduard, inventor; Wheatley & Mackenzie
Publisher: Printed for Her Majesty's Stationery Office by Malcomson & Co., Ltd
Place of publication: Redhill
Language: eng
Notes: Patent specification.

Contains the complete specification.

Patent reference : 1898/6032.