Parke Davis collectible ink blotter from the 1930s advertising Pitressin ampules. This solution comes from the pressor principle (beta-hypophamine) of the posterior pituitary gland. It is used to stimulate contraction and increase tone of smooth…
Parke Davis collectible ink blotter from the 1940s advertising Pitressin Tannate in oil. A graph demonstrates a longer interval between injections for diabetes insipidus with this type of Pitressin, than with Pitressin Aqueous. Thus, it is indicated…
Parke Davis collectible ink blotter from the 1940s advertising Phemerol, Topical. This is a germicide used to treat minor cuts, abrasions, and superficial skin infections. The advertisement notes that the 3% solution does not sting or cause pain but…
Parke Davis collectible ink blotter from the 1940s advertising Natola, Vitamins A and D. The advertisement notes that three drops of Natola provide 4600 Vitamin A and 460 Vitamin D units. Natola is used to prevent and treat Vitamin A and D…