A new or improved apparatus for the relief of asthmatical or similar suffering patients
By: [Thomas William Lench]
Contributors: Maule, Edward Herbert, inventor; Powell, Charles T., 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 : 1897/12235.