An improved deodorizing, decolorizing, and filtering medium
By: [Owen Bowen]
Contributors: Cobeldick, John, inventor; Newton & Son
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 : 1887/11393.