Airgun, Paul Giffard patent of 1873 and british patent of 1889, made by Rivolovier et Fils, St Etienne, France, c1900
the carbon dioxide is stored in a cylinder beneath the barrel; empty cylinders, like modern soda syphon bulbs, were recharged by the maker
the carbon dioxide is stored in a cylinder beneath the barrel; empty cylinders, like modern soda syphon bulbs, were recharged by the maker
