§ 1. No person, except an officer of the law in the discharge of his duty, shall fire or discharge any gun, pistol, fowling-piece, or other fire-arm, within the corporate limits of the city of Lincoln, under penalty of a fine of ten dollars for each offense. § 3. It shall be unlawful for any person or person to discharge or cause to be discharged any toy pistol, toy gun, or other toy arm or arms, or sling shot, loaded with leaden or other dangerous missiles, at any time or under any circumstances within the limits of the said city of Lincoln. Any person so offending shall upon conviction thereof, be fined in any sum not exceeding fifty dollars for each offense, and stand committed until such fine and costs are paid or secured.