An Ordinance In Relation to the Carrying of Dangerous Weapons. The Mayor and Aldermen of Jersey City do ordain as follows: § 1. That with the exceptions made in the second section of this ordinance, no person shall, within the limits of Jersey City, carry, have or keep on his or her person concealed, any slung-shot, sand-club, metal knuckles, dirk or dagger not contained as a blade of a pocket knife, loaded pistol or other dangerous weapon. § 2. That policemen of Jersey City, when engaged in the performance of police duty, the sheriff and constables of the County of …