Abstract
IF my allusion to the absence of “fresh experiments” in Dr. Natanson's work is not sufficient acknowledgment of its purely theoretical nature, a reference to my original abstract in the Physical Society's Proceedings will, I feel sure, correct any false impression that has arisen in the author's mind on that point. My note was in no way intended as a criticism or expression of opinion. But the Cracow Bulletin paper was certainly calculated to give any reader the idea that Dr. Natanson was the only worker besides Olszewski who had attempted to calculate the critical temperature of hydrogen, and, to prevent misunderstanding, a reference to Wroblewski's previous work seemed desirable. As Dr. Natanson still appears to pass over the long and laborious experiments on which the latter investigation was based, and to be unaware that the whole object was to get the critical constants, &c., from the application of Van der Waals' theory (which had previously given chemists an accurate knowledge of such data in the case of oxygen, nitrogen, and marsh-gas before the gases had been actually liquefied), I must refer him to Wroblewski's memoir. Further, it might interest him to consult a paper by Prof. Dewar in the Philosophical Magazine for September, 1884, which discusses the critical constants of hydrogen based on the experimental facts known at that time.
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BRYAN, G. The Critical Temperature of Hydrogen. Nature 53, 223 (1896). https://doi.org/10.1038/053223e0
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DOI: https://doi.org/10.1038/053223e0
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