what is the original use of a chainsaw

The original use of a chainsaw was for a medical purpose, not for cutting wood. The chainsaw was invented by Scottish doctors John Aitken and James Jeffray in the late 18th century to aid in childbirth. It was designed to perform a surgery known as symphysiotomy, which involved widening the birth canal and removing diseased bone. The original chainsaw was a hand-cranked, rotating blade used to speed up this surgical procedure