title: Precordial and oesophageal stethoscopes.
authors: Geoffrey Kaye Museum of Anaesthetic History.
authors: R N
authors: RN
authors: Westhorpe
authors: C
authors: C
authors: Ball
mesh_terms: D000776:Anesthesiology / Q000266:history*; D004867:Equipment Design / Q000266:history; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049674:History, 21st Century; D019023:Stethoscopes / Q000266:history*