Improved medical apparatus for enabling regular and increased respiratory action in the case of various diseases
By: [Demetrius Boghean]
Contributors: Smith, Castle, agent
Publisher: Printed for Her Majesty's Stationery Office by Malcomson & Co., Ltd
Place of publication: Redhill
Language: eng
Notes: Patent specification.

Contains both the provisional and the complete specification.

Patent reference : 1898/11693.