(London, Taylor and Francis, 1874). 4to. No wrappers as extracted from ""Philosophical Transactions"" 1874. Vol. 164. Pp. 183-244. Clean and fine.
Reference : 42986
First printing of a classic paper on the theory of sound propagation, containing the famous fog signal experiments aiming at establishing fog-signals on the Coast of England. The investigations started from South Foreland near Dover at the signal-station.
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