Improvements in self-acting combined spittons and wash bowls or the like principally for dental purposes
By: [Lester Fred Lerchner]
Contributors: Herbert Haddan & 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 : 1901/1238.