Antique 1926 Dr Hess White Diarrhea Tablets for Chicks, Farm Medicine Can ~ RARE This very cool piece of old medicinal agriculture advertising is a can of Dr Hess White Diarrhea Tablets for Chicks and poultry from 1926 per the label on the can. Tin Can has wear but label is still readable. There is stuff in the can although the contents have turned to powder due to age. Please see pictures.