Section 29
SEC. 29. The possession of any opium pipe, hypodermic syringe, apparatus, instrument, or paraphernalia for using or smoking opium or any hypodermic syringe for using cocaine, alpha or beta cucaine, or any derivative or preparation of such drugs or substances, or any other apparatus or instrument especially designed for using any of said drugs or substances in or on the human body, shall be deemed prima facie evidence that the prison in possession of such opium pipe, hypodermic syringe, apparatus, instrument, paraphernalia, or articles, has used some one of such prohibited drugs or substances., or the drug or substance for the use of which such apparatus, instrument, and paraphernalia are especially designed, without the prescription of a duly licensed and practicing physician, unless such prescription is produced by such person.