Show liquid air in commerce new methods of liquefying air at a reduced cost have been invented in germany and mr de kay united states consul at berlin mentions in his bis official report some of the uses to which liquid air may be put one of these is tor for illuminating Puri purposes oses an am i illuminant can be formed from liquid air by mixing it with ordinary air in certain proportions hile it Is passing back to its normal condition liquid air may also serve as an explosive agent for various purposes As a portable liquid rich in oxygen it Is suggested that it should serve many purposes in manufactures the price in germany has heretofore been two dollars and a quarter for five cubic meters about cubic feet of air reduced to the liquid condition but prof linde of Mu munich nirh has invented a process whereby the cost has been brought down to fo about two and a quarter cents per five cubic meters |