1919 Parke Davis Detroit Leaflet Farm Sanitation Concrete Hog Wallows Dip Vats
There is a table for making Kreso Dip No. Dilutions to prevent Hog Cholera. 1919 Advertising Leaflet – Farm Sanitation.
There is a table for making Kreso Dip No. Dilutions to prevent Hog Cholera. 1919 Advertising Leaflet – Farm Sanitation.