In which country was the World War 11 quick firing anti aircraft gun the Oerlikon first manufactured
Oerlikon 20 mm cannon Oerlikon family of aircraft cannon. In France, Hispano-Suiza manufactured development of the FFS as the Hispano-Suiza HS.7 and Hispano-Suiza HS.9, for installation between the cylinder banks of its V-12 engines. In Germany, Ikaria further developed the FF gun as the MG FF, firing 20x80RB ammunition. And the Imperial Japanese Navy, after evaluating all three guns, ordered developments of the FF and FFL as the Type 99-1 and Type 99-2. The incorporation of the improvements of the FFS in a new anti-aircraft gun produced, in 1938, the "Oerlikon SS". Oerlikon realized further improvements in rate of fire on the 1SS of
Quick-firing gun the early 1900s, though quick-firing guns were vital to defend battleships from attack by torpedo boats and destroyers, and formed the main armament of smaller vessels. An early quick-firing field gun was created by Vladimir Baranovsky in 1872-5 which was officially adopted by the Russian military in 1882. On land, quick-firing field guns were first adopted by the French Army, starting in 1897 with the Canon de 75 modèle 1897 which proved to be extremely successful. Other nations were quick to copy the quick-firing technology. The QF 4.7-inch Gun Mk I–IV was initially manufactured for naval use and as coast