Proceedings of the Common Council of the City of Chicago Page 140, Image 185 (Vol. 5, 1874) available at The Making of Modern Law: Primary Sources.

Ordinances of Chicago: An Ordinance Prohibiting the Sale to or Furnishing Minors with Firearms. § 1. That no person within said city shall sell to or in any manner furnish any minor with any gun, pistol, revolver, or other firearms; and any person offending against this ordinance shall on conviction be fined in a sum not less than twenty-five dollars nor more than one hundred dollars for each offense.