Improvements in paper for cleansing telephones
By: [Hermine Henckel]
Contributors: Henckel, Armin, inventor; F. Bosshardt & Co
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 : 1901/1038.