le reflection but inter-ference and diffraction, as well as the far from simple subject of thepropagation of sound parallel to or nearly parallel to the plane ofan audience. It has been the object of special investigation duringthe past six years. This investigation has recently come to a… … Fig. 11. Chapel, Union Theological Seminary, New York City. Allen and CoUens, Architects. 150 ARCHITECTURAL ACOUSTICS vance of construction than in the correction of completed buildings.It must here suffice to merely indicate the nature of the results. When sound is produced in a confined…
Architectural acoustics
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