Anesthesia . 78.—Bennetts RATUS: Nitrous Oxid-EtherGas Inhaler. Appa-. 79.—Bennetts Nitrous Oxid-EtherRATUS: Gas and Ether Inhaler. Appa- ETHER 219 with ether alone by the closed method, and a ohimnoypjeee contain-ing an inspiratory and expiratory valve. These valves can be easilypulled out of the way by a sliding collar, so tliat to-and-fro l)reathi])g

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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorkandlondonda