An Act to Prevent the Furtive Possession and use of slung-shot and other dangerous weapons. Ch. 716, § 1. Every person who shall within this state use, or attempt to use or with intent to use against any other person shall knowingly and secretly conceal on his person, or with like intent shall willfully and furtively possess any possess any instrument or weapon of the kind commonly known as slung-shot, billy, sand club or metal knuckles, and any dirk or dagger (not contained as a blade of a pocket knife), or sword-cane or air-gun shall be deemed guilty of felony, and on conviction thereof be punished by imprisonment in the state prison, or penitentiary or county jail, for a term not more than one year, or by a fine not exceeding five hundred dollars, or by both such fine and imprisonment. § 2. The having possession of any of the weapons mentioned in the first section of this act by any other than a public officer, willfully and secretly concealed on the person or knowingly and furtively carried thereon, shall be presumptive evidence of so concealing and possessing or carrying the same with the intent to use the same in violation of the provisions of this act.