A new or improved appliance for use with animals to assist or improve their breathing
By: [Joseph Gabriel]
Contributors: W. E. Heys & Son
Publisher: Printed for His Majesty's Stationery Office by Love & Malcomson, Ltd
Place of publication: Redhill
Language: eng
Notes: Patent specification.

Contains both the provisional and the complete specification.

Patent reference : 1904/3516.