Improvements in or relating to lethal chambers for the destruction of animals
By: [Bertram Richardson]
Contributors: Hunting, John Carlton, inventor; Boult, Wade & Kilburn
Publisher: Printed for His Majesty's Stationery Office by Love & Malcomson, Ltd
Place of publication: Redhill
Language: eng
Notes: Patent specification.

Contains both the provisional and the complete specification.

Patent reference : 1904/2290.