Original ice cream trade magazine vintage ad for AMERICAN DRY MILK INSTITUTE, INC. Main office was located at Room 1355, 221 N. La Salle Street, Chicago, IL. How to gain greater values from Ice Cream by Professor C. D. Dahle. During the last two years, research at various institutions has yielded much valuable information concerning the importance of dry skim milk as a source of solids-not-fat in ice cream manufacture. This unique 1933 old dairy industry magazine advertisement would display beautifully matted and framed. Nice graphics.