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Noise Insulation

Nature volume 142, page 609 (01 October 1938) | Download Citation



THE valuable summary of the best methods of reducing noise which Dr. G. W. C. Kaye, of the National Physical Laboratory, communicated to the Journal of Scientific Instruments in June has now been issued by the Institute of Physics as a separate publication, and should be in the hands of all designers of structures in which noise is to be diminished as much as possible. The loudest of the offending noises should first be reduced at least to the average level of the others, either by reducing it at its source or by providing fewer facilities for its propagation. Against direct transmission through the air the remedy is to enclose the source or hearer in a sound-proof building, which may require its doors, windows, walls and floors to be heavy or double with intervening air gaps, and to have its walls and ceilings lined with sound absorbing materials. Metal piping should have short lengths replaced by rubber or other less efficient transmitting material, and be supported by insulated clips.

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