Abstract
The twenty-seventh volume of this useful publication is well up to the level of its predecessors. In spite of the great expansion of all the subjects treated, the size of the work has not been increased. This implies a more and more “intensive” treatment, and a careful selection of topics. In physics, the 5000 odd new publications of 1911 have been brought within the compass of forty-eight short notes. The task of selecting one paper out of every hundred must be a formidable one. Dr. Heinrich Konen, to whom it fell, took care to emphasise those which offer a certain amount of novelty or practical utility, such as Lebedef's shortest possible sound-waves (0.2 mm.), which are absorbed by 2½ cm. of air; Rubens's longest light-waves (o.116 mm.); Féry's prism with curved surfaces; and Anderson's collodion copies of Rowland gratings.
Jahrbuch der Naturwissenschaften,
1911-1912. Dr. Joseph Plassmann. Pp. xvi + 452. (Freiburg im Breisgau and London: B. Herder, 1912.) Price 7s. 6d.
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Jahrbuch der Naturwissenschaften, 1911-1912. Nature 90, 643 (1913). https://doi.org/10.1038/090643a0
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DOI: https://doi.org/10.1038/090643a0