John Aitken's chain saw.
Kirkup
John
J
John.kirkup@doctors.org.uk
D005260:Female; D049671:History, 18th Century; D006801:Humans; D007596:Joints / Q000601:surgery; D013513:Obstetric Surgical Procedures / Q000266:history* / Q000295:instrumentation; D011247:Pregnancy; D013525:Surgical Instruments / Q000266:history*; D013567:Symphysiotomy / Q000266:history* / Q000295:instrumentation