Parke Davis collectible ink blotter from the 1940s advertising immunovac, a high potency cold vaccine. The advertisement notes that Immunovac combines the immunizing properties of bacterial vaccine with ecto-antigen (Immunogen). It is available in 10…
Parke Davis collectible ink blotter from the 1940s advertising Immunovac, a high potency cold vaccine. The advertisement notes that Immunovac combines the immunizing properties of bacterial vaccine with ecto-antigen (Immunogen). Available in tablets…
Parke Davis collectible ink blotter from the 1940s advertising Immunogens, immunizing agents. Numerous Immunogens are listed: Catarrhalis Combined, Colon, Combine Van Cott, Erysipelas Streptococcus, Gonococcus, Gonococcus Combined,…