Instruction leaflet concerning use of helmet gas mask, treated paper Instruction leaflet concerning use of helmet gas mask 1915
2 instructions leaflet for use of helmet-type gas mask, treated paper 2 instructions leaflet for use of helmet-type gas mask 1915
Inhaler, Rolland, for chloroform, by Mathieu of Paris, from Charriere Collin and Gentile collection, circa 1900 Inhaler, Rolland, for chloroform 1895-1905