Drug advertising ephemera : showcards. Box 1.

Box file containing showcards / display cards advertising medicinal products etc. Includes Calcium-D for chilblains (a Kerfoot product), Bisma-Rex for indigestion, flatulence, acidity (Rexall), Crookes Halibut Oil to prevent colds, Quix pastilles (asthma? / difficult breathing / catarrh / mucus), Puretest Glycerin of Thymol Pastilles ("gargle in pastille form"), Brooklax chocolate laxative, 'Sleek' plastic adhesive strapping "as waterproof as a duck's back" (Herts Pharmaceuticals Ltd, Welwyn garden City .