Abstract
Baltimore, Md., July 30, 1901. To the Editor: —Probably the only patent ever granted for vaccination in this country is one 1 recently found in the archives of the Medical and Chirurgical Faculty of the State of Maryland, which is rich in medical documents of great historical interest to the state. patent is dated July 10, 1822, and is granted to Dr. James Smith, of Baltimore, for a new and useful improvement in the art of vaccination. It was good for 14 years and cost the patentee $30. It was signed by James Monroe, president; John Quincy Adams, secretary of the state, and Wm. Wirt, attorney-general, and contains the seal of the United States. It is upon a large sheet of parchment. following is an abstract of this unique document: The Variola Vaccina or kine pock and the Variolae Pestilentia or smallpox are both perfect plants that may
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