1900 N.Y. Laws 459, An Act to Amend Section Four Hundred and Nine of the Penal Code, Relative to Dangerous Weapons, ch. 222, § 1.

Making, et cetera, dangerous weapons. – A person who manufactures, or causes to be manufactured, or sells or keeps for sale, or offers, or gives, or disposes of any instrument or weapon of the kind usually known as slunghsot, billy, sand-club or metal knuckes, or who, in any city or incorporated village in this state, without the written consent of the police magistrate, sells or gives any pisol or other firearm, to any person under the age of eighteen years or without a like consent sells or gives away any air-gun, or spring-gun, or other instrument or weapon in which the propelling force is a spring or air to any person under ht age of twelve years, or who sells or gives away any instrument or weapon commonly known as a toy pistol, in or upon which any loaded or blank cartridges are used or may be used, to any person under the age of sixteen years, is guilty of a misdemeanor.