Abstract
IN the U.S. Bureau of Standards' Journal of Research for February 1930, pp. 289–296, there appears a description of apparatus employed by P. R. Hey I, V. L. Chrisler, and W. F. Snyder, for the investigation of the absorption of sound at oblique incidence. A plate of the material to be tested was placed at a flat elbow joining two cylindrical pipes in the way shown diagrammatically in the accompanying sketch (Fig. 1). The results obtained were compared with certain calculations made by me relating to the reflection of plane waves of sound from a flat surface.
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PARIS, E. Absorption of Sound at Oblique Incidence. Nature 126, 9–10 (1930). https://doi.org/10.1038/126009b0
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DOI: https://doi.org/10.1038/126009b0
