he air blast and in the method of manufacturing the liquid dioxide, may be turned by a knob shown in the sectional view, suction, and the inclination of the ribs or riffles, ac- which were worked out at Essen, that its systematic Fig. 1, and also in Fig. 83. A semicircular spring is fit- supply on… … which a porous bag is secured. A large portion of the gas escapes as such through the sides of the bag, but so much heat is absorbed that another vided with acatch at one end, which by engaging a portion solidifies, and is caught in the bag like snow. notch on the spindle (Fig. 2) prevents its…
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