An improved apparatus for preserving changeable liquids, also applicable as a hypodermic injector
By: [Felix De Backer]
Contributors: Wm. P. Thompson & Co
Publisher: Printed for Her Majesty's Stationery Office by Darling and Son, Ltd
Place of publication: London
Language: eng
Notes: Patent specification.

Contains the complete specification.

Patent reference : 1894/12187.