Beaumont Treats Stomach Wound
Jun 6 Alexis St. Martin shot in the stomach and treated by physician William Beaumont on Mackinac Island. Leads Beaumont to conduct digestion experiments through hole in St. Martin's stomach.
- Jun 9 Charles Graham of New York patents porcelain false teeth
Babbage's Difference Engine
Jun 14 Charles Babbage proposes a "difference engine" in a paper to the Royal Astronomical Society entitled "Note on the application of machinery to the computation of astronomical and mathematical tables"
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