17th century copy of a late 14th century Persian manuscript treatise on anatomy showing a diagram of the arteries. Slide 6. Located at: qS Mansur 15th century.
The nursing can, or mammele, was an early infant feeding device handmade from tin. It was used by German settlers in southeastern Pennsylvania and thought to be indigenous to that region.
Trephine or Trepan was a surgical instrument used to open the cranium. It was essentially a device to drill a circular hole in the head. The example pictured here had perpendicular teeth, a center pin and a screw button in the shaft of the barrel...