Ether Cone - a funnel with a sponge affixed inside. When administering ether, the ether would be poured onto the sponge, the funnel held over the patient's mouth, and the patient would breathe in the ether, which would put him to sleep.
Leeches and Leech Box - leeches are wormlike creatures that attach to the body and suck blood. Leeches were used in bloodletting as it was believed that draining blood out of the body would promote healing as poisonous substances were drained from the body along with the blood.
Mortar and Pestle - for grinding medicine into powders.
Quill Pen and Ink Well - for recording patient data and meteorological observations.
Splint - to immobilize fractured legs and arms prior to moving a patient to a field hospital for surgery.
Stethoscopes - wooden stethoscopes were placed so that one end was held to the doctor's ear and the other was held next to the patient's heart. The idea was the same as with modern stethoscopes, to listen to a patient's heartbeat.