Definitions. “Firearm” as used in this Act means any weapon, the operating force of which is an explosive. This definition includes pistols, revolvers, rifles, shotguns, machine guns, automatic rifles, noxious gas projectors, mortars, bombs, cannon and sub-machine guns. The specific mention herein of certain weapons does not exclude from the definition other weapons operated by explosives. “Crime of violence” as used in this Act means any of the following crimes, namely: murder, manslaughter, rape, kidnapping, robbery, burglary, and those certain crimes set forth in Sections 4130 and 4131 of said Revised Laws. “Pistol” or “revolver” as used in this Act, means and includes any firearm of any shape whatsoever with barrel less than twelve inches in length and capable of discharging loaded ammunition or any noxious gas. “‘Person” as used in this Act includes individuals, firms, corporations and copartnerships, and includes wholesale and retail dealers.