Improved means and appliances for indicating by touch or sight the differences between poison, lotion, and other bottles or their equivalents
By: [Frederick Howard Rosher]
Contributors: Gardner, H., agent
Publisher: Printed for Her Majesty's Stationery Office by Darling and Son, Ltd
Place of publication: London
Language: eng
Notes: Patent specification.

Contains both the provisional and the complete specification.

Patent reference : 1893/23781.