Explanatory notes
… (1) Stethoscopes . (2) Instruments to measure rate of breathing (to determine basal metabolism). (3) … and guillotines; direct laryngoscopes; laryngeal brushes, etc. (G) Pharyngeal, oesophageal, stomach or tracheotomy instruments : oesophagoscopes, bronchoscopes, stomach pumps, intubation tubes, etc. (H) …