Trendelenburg's Cone and Cannula.
Westhorpe
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Geoffrey Kaye Museum of Anaesthetic History.
D000770:Anesthesia, Endotracheal / Q000266:history / Q000295:instrumentation; D001604:Berlin; D002404:Catheterization / Q000295:instrumentation; D013502:General Surgery / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans