Page 629 - My FlipBook
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USE OF GENERAL ANESTHETICS. 627
Fig. 570.
Apparatus for admini.steriiis nitrous oxid and oxygen combined: a, key to oxygen bag; b, key to
oxygen cylinder; c, gauge showing percentage of oxygen being administered, d, mixing-
chamber ; c, key to nitrous oxid cylinder ; /, key to nitrous oxid bag.
