Hey’s Saw (From the Collection #14)
The Story Trepanning, also known as trephining, dates back at least 7000 years to the Neolithic period. Derived from the Greek meaning to auger or to bore, trepanning is a surgery in which a piece of the skull is removed by incising the skull with a knife or, after the discovery of metallurgy, drilling a … More Hey’s Saw (From the Collection #14)