Part I – Historical: gunpowder - an historical outline; origins of firearms - an historical outline; evolution of firearms (phase I - the cannon lock, phase II - the matchlock, phase III - the wheel-lock, phase IV - the snaphance, phase V - the flintlock, phase VI - the percussion lock, phase VII - the period of transition, phase VIII - metallic cartridges); single shot metallic cartridge arms and lock systems; early metallic cartridge single shots throughout the world; evolution of military bolt actions; the military bolt action in Europe; military pistols - an historical outline; development of automatic principles in fire-arms; an historical outline - the evolution of the machine gun principle; semi-automatic rifle development - an historical outline; submachine guns - an historical development; the revolver - an historical outline; the military automatic pistol - an historical outline; shotguns in military use - an historical outline; rockets - an historical outline; smokeless ball powder - an historical outline.Part II - Current weapons: Argentina; Austria; Belgium; Great Britain; China; Czechoslovakia; Denmark; Dominican Republic; Dominion of Canada; Finland; France; Germany; Greece; Hungary; Italy; Japan; Mexico; Netherlands; Norway; Poland; Portugal; Rumania; Russia; Spain; Sweden; Switzerland; Turkey; United States; Yugoslavia.