Section 19
SEC. 19. Every person who dispenses, sells, or delivers any of the following violent poisons, to wit, arsenic, arsenical solutions, phosphorus, corrosive sublimate, cyanide of potassium or other cyanide, atrophine, cocaine, morphine, strychnine, or any of their salts, and all other poisonous vegetable alkaloids or any of their salts, hydrocyanic acid,prussic acid, oil of bitter almonds containing hydrocyanic or prussic acid, oil of mirbane (nitro-benzine), opium and its preparations, except paregoric and such others as contain less than 450 milligrams of opium per one hundred cubic centimeters (two grains to the ounce), shall make or cause to be made in a book kept for the purpose of recording the sale of such poisons an entry stating the date of each sale and the name and address of the purchaser, the name and quantity of the poison sold, and the purpose for which it was claimed to be purchased, before delivering it to the purchaser. He shall not deliver any such poison to any person without satisfying himself that such person is aware of its poisonous character, and that the poison is to used for a legitimate purpose, and he shall affix to every box, bottle or other package containing any dangerous or poisonous drug, a label of red paper upon which shall be printed in large black litters the word "poison," and a vignette representing a skull and bones, before delivering it to any person. Books kept for the purpose of recording the sale of poisons shall be open at all times to the inspection of the Board of Pharmaceutical Examiners, and of health officers or officers of the law, and every such book shall be preserved for at least five years after the last entry in it has been made.