Samuel A. Ettelson, Opinions of the Corporation Counsel and Assistants from May 1, 1915, to June 30, 1916 Page 458-459, Image 458-459 (Vol. 7, 1916) available at The Making of Modern Law: Primary Sources.

Ordinance of May 25, 1914, § 4a. It shall be unlawful for any person, firm or corporation to sell, barter or give away to any person within the City of Chicago, any pistol, revolver, derringer, bowie knife, dirk or other weapon of like character which can be concealed on the person, except to licensed dealers and to persons who have secured a permit for the purchase of such articles from the general superintendent of police as hereinafter required; provided, this section shall not apply to sales made of such articles which are delivered or furnished outside the City of Chicago. § 5. It shall be unlawful for any person to purchase any pistol, revolver, derringer, bowie knife, dirk or other weapon of like character, which can be concealed on the person, without first securing from the General Superintendent of Police a permit so to do. Before any such permit is granted, an application in writing shall be made therefor, setting forth in such application the name, address, age, height, weight, complexion, nationality and other elements of identification, of the person desiring such permit, and the applicant shall present such evidence of good character as the General Superintendent of Police in his discretion may require. § 6. It shall be the duty of the General Superintendent of Police to refuse such permit to (a) All persons having been convicted of any crime. (b) all minors. Otherwise, in case he shall be satisfied that the applicant is a person of good moral character, it shall be the duty of the General Superintendent of Police to grant such permit, upon the payment of a fee of one dollar. § 8. Any person, firm or corporation violating any of the provisions of this ordinance, shall be fined not less than Fifty Dollars ($50.00) nor more than Two hundred Dollars ($200.00) for each offense, and every purchase, sale or gift of any weapon mentioned in this ordinance shall be deemed a separate offense.