§ 155. Notice to be posted. No person shall engage in the sale of
adulterated turpentine, adulterated linseed oil or adulterated boiled
linseed oil, in original packages or other than original packages,
unless there are posted conspicuously in the room where such goods are
sold, signs bearing the words "Adulterated Turpentine sold here," or
"Adulterated Linseed Oil sold here," as the case may be, in legible
letters in the English language at least two inches in length and one
inch in width, said letters to be in black on a white background.