Blood letting. Barber-surgeons' shaving and bleeding bowls.
D001461:Barbering / Q000266:history; D001815:Bloodletting / Q000266:history* / Q000295:instrumentation; D005060:Europe; D013502:General Surgery / Q000266:history; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049690:History, Ancient; D049691:History, Medieval; D007865:Leeches; D013525:Surgical Instruments / Q000266:history; D014481:United States