It shall be unlawful for any person to carry any knife, the blade of which is over three inches in length, or to carry any instrument commonly called a crabapple switch, dirk, dagger, pick or any other dangerous or deadly weapon within the City, and it shall further be unlawful for any firm or corporation to sell, barter, exchange or otherwise dispose of such knives, crabapple switches, dirks, daggers or picks, or instruments to be used for a weapon within the corporate limits of the City.