. . . it shall not be lawful for any merchant, or vender of wares or merchandize in this State, or any other person or persons whatsoever, to sell, or offer to sell, or to keep, or to have about their person or elsewhere, any of the hereinafter described weapons, to wit: Bowie, or any other kinds of knives, manufactured and sold for the purpose of wearing, or carrying the same as arms of offence or defense, pistols, dirks, sword canes, spears, &c., shall also be contemplated in this act, save such pistols as are known and used as horseman’s …