Anesthesia . Fig. 72.—Cone Adjusted to the is ample air space above, andnose space below the frame. Righthand supports the chin, to preventrelaxation of the jaw and prolapse ofthe tongue. Left hand folds the topof cone to increase the amount in-spired. (Gallant: Med. Record, Dec,1899.) ^^^-^ \.

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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorkandlondonda