NOVEL RESPIRATORY APPARATUS, rel 9 feet 954 inches, with a heating surface of 194 BY EMILE GUARINI. tubes, yielding an area of 960.2 square feet, and a In mine explosions, in emanations of fire-damp, in firebox heating surface of 103.5 square feet. The catastrophes like that of the Metropolitan… … don,” which covered 191,236 miles with them, to the exterior the air respired. It per- Fig. 2. -Front View. and then yet a third locomotive, “Balmoral,” mitted him to remain for ten or twelve min- appropriated them, and ran with them for utes in any kind of irrespirable gas what- ever. Physiology…
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