Lockjaw Forceps, ca early 1900s, sometimes sold as Gross' Lockjaw Forceps. The short ends of the tool (right side) were put between the teeth of a lockjaw victim. Squeezing the handles (left side) of the forceps ratcheted the short ends apart, forcing open the jaws of the tetanus victim. This instrument was from a set of instruments purportedly used by Dr. William Park of the City of New York Department of Health.
Wooden box of ivory points used for smallpox vaccination. These resemble the points used by Edward Jenner (1749-1823), the British physician who, in the 1790s, successfully tested the idea that an attack of cowpox, a milder form of smallpox, gave immunity to smallpox.