eresting be- dilute the air. ticle, tend more conclusively to show that mortal convulsions cause of the many cases, as in bridge building, diviig, etc., The author deduces from his investigations a number of are due to the tension of the oxygen and not to the degree of in which workmen are obliged… … was placed, and air marine geographical Fig. l.-APPRATTJS FOR SHOWING THE EFFECTS OF COMPRESSED AIR. distribution. 3. At forced in to a pressure acts as a violent poison, similar in effect to strychnine and primitive geological epochs, when the pressure of our at- of eight atmospheres. After…
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