perate at variation in the quantity of liquid air obtained. This a small apparatus was set in operation which proved any desired pressure ' above 15 pounds, the losses maintenance of a constant supply of liquid air within the feasibility of Prof. Pictet's scheme. The appar- the Dewar bulb or other… … separated is even more against the side of a Fig. 6.—METHOD OF FBODUCINfi LIQUID AIB. astonishing than the Fig. 5.—FICTET'S EXFEBIHENTAL APFABATUS FOB vessel, the carbon di- THE LIQUEFACTION OF AIB AT LOW FBESSUBES. J. large quantities in oxide solidifies in the wliich they are pro- form shown in…
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