Abstract
WE very much question the wisdom of placing this book upon the market. The information on researches with Röntgen rays is very sketchy, while a large portion of the book, dealing with theories of the natural colours of bodies, is nothing more than padding, and is altogether out of place in a volume of this character.
The Old Light and the New.
By Wm. Ackroyd Pp. 102. Illustrated. (London: Chapman and Hall, Ltd., 1896.)
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The Old Light and the New. Nature 54, 76 (1896). https://doi.org/10.1038/054076c0
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DOI: https://doi.org/10.1038/054076c0