Abstract
THE principal addition to this new edition of Dr. Tyndall's work on Sound is an account of the investigation which he has conducted in connection with the Trinity House, and which he treats here under the title, “Researches on the Acoustic Transparency of the Atmosphere, in relation to the question of Fog-signalling.” By this investigation, “not only have the practical objects of the inquiry been secured, but a crowd of scientific errors, which for more than a century and a half have surrounded this subject, have been removed, their place being now taken by the sure and certain truth of nature.” In his preface Dr. Tyndall remarks on some of the criticisms which have been made on the results of the investigations referred to. It is interesting to learn that the work has been translated into Chinese, and published at the expense of the Government at the moderate price of 20d.
Sound.
John
Tyndall
By, Professor of Natural Philosophy in the Royal Institution of Great Britain. Third Edition. (London: Longman and Co., 1875.)
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Sound . Nature 12, 211 (1875). https://doi.org/10.1038/012211a0
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DOI: https://doi.org/10.1038/012211a0