Improvements in boxes for tooth and other powders
By: [William Henry Hall]
Contributors: Brewer, Griffith, patentee; Brewer & Son
Publisher: Printed for His 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 : 1900/20440.