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 muscles. The advertisement also notes that it increases blood pressure by constricting peripheral blood vessels and favors retention of tissue fluids in pneumonia, diphtheria, etc. It is supplied in ampules, in boxes of 6 and 100. The blotter has July, 1939 written on it. The Parke-Davis identifier is bl-62-1.
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7 X 3.5 inches
Parke, Davis & Company, “Pitressin Ampoules,” American Institute of the History of Pharmacy Digital Collection, accessed December 6, 2022, https://aihp.omeka.net/items/show/408.