s of liquefaction, and apparatus, since it is in this that the also the under-cooling of the air to such chief novelty isfound. This part of the an extent that it would not at once return apparatus is protected by patents, both to the gaseous condition again upon be- in the United States and in the… … sor aggregates about 60 shown at the top of the liquefier, Fig. 5. Passing horse power. Compressor No. 2, shown this valve, the pressure in fignre 2, has air cylinders 734 and 7 inches in dia- drops from 1,200 to 300 pounds per square inch, and The air as it passes from one compression cylin- meter…
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