The polarization of sound and the nature
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S.W. Robinson
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Article
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1881
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Elsevier Science
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English
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Robinson--Pola~-ization of Sound. ## 201 The one hundred and eighty pieces were of cast iron, were exactly :alike and interchangeable. Great care was taken in fitting them to keep the metal cool, as it was ibund that holding one of the pieces, which had been fitted to gauge, in the hand for a fe