Chemical weapons in World War I volatile oily liquid. It was introduced as a vesicant by Germany in July 1917 prior to the Third Battle of Ypres. The Germans marked their shells yellow for mustard gas and green for chlorine and phosgene; hence they called the new gas "Yellow Cross". It was known to the British as "HS" ("Hun Stuff"), and the French called it "Yperite" (named after Ypres). Mustard gas is not an effective killing agent (though in high enough doses it is fatal) but can be used to harass and disable the enemy and pollute the battlefield. Delivered in artillery shells, mustard gas was
History of the portable gas stove should be pointed out that the gas canister is a later 1940s Deutsch army model. History of the portable gas stove The portable gas stove is a combination of portability and functionality; combining the light weight of a small gas canister with the heat output needed to cook a meal. Portable stoves in modern times can be divided into several broad categories based on the type of fuel used and the design of the aluminium stoving frame. Unpressurised stoves use solid/liquid fuel placed in the burner before ignition. Combustible stove hangers use a form of volatile liquid fuel in a