Abstract
“IN the preface to this book it is stated that” it is high time that deep refrigeration received adequate attention in this country”. Dr. Ruhemann has therefore written a volume to remedy this lack of knowledge on the part of British men of science, in order that the subject may be taught in the universities. Certainly the average textbook of physical chemistry does not deal in much detail with the working of liquid air and similar types of plant. The reason is quite obvious. The principles of the subject were worked out many years ago. They are expounded in all works dealing with the equilibria of vapour-liquid systems. But their application has become a matter of very specialized engineering practice, naturally confined to those concerns whose job it is to build and operate low-temperature refrigerating plants. It is not the function of the average university lecturer in physics or in chemistry to teach engineering practice to his students. The author's crusade for courses on “deep refrigeration” is therefore unlikely to be taken up with any great enthusiasm in Great Britain. None the less, the book provides a great deal of information which has not hitherto been dealt with in any connected manner. In this respect it is welcome to chemists and physicists alike.
The Separation of Gases
By M. Ruhemann. (International Series of Monographs on Physics.) Pp. xiii + 284. (Oxford: Clarendon Press; London: Oxford University Press, 1940.) 21s. net.
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MELVILLE, H. The Separation of Gases. Nature 147, 464 (1941). https://doi.org/10.1038/147464a0
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DOI: https://doi.org/10.1038/147464a0