Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Advertisement for Kaolinase, manufactured by Laboratoires G. Beytout. Card features a color illustration of the Eiffel Tower in Paris. An airplane and a dirigible are flying past the tower on either side, and there are boats and ferries in The Seine.
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)