the apparatus becomes at once too bulky and too may be reduced to 20 grammes of liquid air per hour, the ordinary temperature. To dissolve this snow, ace- expensive. The best combination is the one-half can- tone is the best, and is the solvent used by the author. when working at —194 deg., which… … passing from the solid to the liquid state. Acetylene, PORTABLE COAL-LOADING MACHINE. BATTERY-BOX, COVER REMOVED. In a large retail coal yard in Philadelphia there is like carbonic acid, does not take the liquid state at in daily operation a machine for loading the delivery atmospheric pressure,…
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