Artificial anaesthesia and anaesthetics . e iM-actical immunity from danger which attends the inhalation ofthe vapor of sulphimc ether, renders it almost unnecessary to employ anyspecial precautions against too great concentration of the vapor. The 40 ARTIFICIAL ANESTHESIA AND ANAESTHETICS. only necessity, therefore, for the use of an inhalino- apparatus, arises fromconsiderations of convenience and economy. Wlien ether is pom-ed upona napkin in hot weather, comparatively httle of the resulting vapor can ever be inhaled. The greater portion isdissipated through the aii-, and is of nouse whatev


Artificial anaesthesia and anaesthetics . e iM-actical immunity from danger which attends the inhalation ofthe vapor of sulphimc ether, renders it almost unnecessary to employ anyspecial precautions against too great concentration of the vapor. The 40 ARTIFICIAL ANESTHESIA AND ANAESTHETICS. only necessity, therefore, for the use of an inhalino- apparatus, arises fromconsiderations of convenience and economy. Wlien ether is pom-ed upona napkin in hot weather, comparatively httle of the resulting vapor can ever be inhaled. The greater portion isdissipated through the aii-, and is of nouse whatever—may even be a source ofgreat annoyance to the suigeou and tohis assistants. To obviate this incon-venience, it is customary to surround thetowel upon which the anaesthetic isj)0ui-ed with some kind of impervioussheath which shall hinder the generaldifliision of ether-vapor. To furnishsomething more durable and jsermanentthan the newspaper cone ordinarily ex-temporized for each occasion has beenthe object kept in view by the numerous.


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectanesthe, bookyear1881