1899 Journal of the American Medical Association (JAMA)  
in our own country. A national examining and licensing board, under whatever name, whose require¬ ments shall be high enough to satisfy the demands of ar*y and every State in the Union, is a thing for which we may devoutly pray. LIQUID AIR. A few weeks ago an article on liquid air appeared in one of the magazines, and such extraordinary claims were made in regard to the possibilities and probabilities of this new material that not a few were convinced that the days of steam and electricity were
more » ... nd electricity were numbered, that a revolution in mechanic and power\x=req-\ producing forces was about to take place. Judging from this article, not only had perpetual motion been invented, but, compared with this new power, all the discoveries of the past would be as mere playthings. While probably future studies, investigations and experiments in the subject of liquid air may prove this to be a fin de siecle wonder, the claims made by this writer are too sensational for belief even in this day of progress and discoveries. We know too well how, in
doi:10.1001/jama.1899.02450440046021 fatcat:jl2pe5whlfawhbv2c65mtqakpq