SEC. 6. The power and authority given to the municipal corporation of the city of Junction by this act is vested in a Mayor and common council and their successors in office, and at any regular or legally called meeting of the said council shall have exclusive power within the corporate limits of said city […] to license, tax, regulate, restrain or suppress bar-rooms, tippling houses, brewries, and all places where spiritous or malt liquors are kept and sold, billiars tables, bwoling alleys, shooting galleries […] to regulate […] the discharge of firearms or other preparation of gunpowder or combustibles of any kind