When activated, they briefly moved through the openings to make several cuts in the skin.
The Science Museum Group preserves examples containing 12, 13, and 16 blades. The strange little box was a medical instrument.
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Why Would Anyone Use It?
Bloodletting was once practiced in the belief that removing blood could prevent or treat illness. A scarificator provided a mechanical way to make the small incisions used in that practice.
The Royal College of Physicians and Surgeons of Glasgow holds a twelve-bladed
