ansformation of results from one system of units to an-other necessitates a careful study of both systems. Some earlyexperiments in which the cushions were placed with one edge pushedagainst the backs of the settees gave results whose anomalouscharacter suggested that, perhaps, their absorbing… … Cushions Fig. 6. Curve 5 plotted as part of its corresponding rectangularhyperbola. The solid part was determined experimentally;the displacement of this to the right measm-es the absorbingpower of the walls of the room. brought into the room were placed on the floor, side by side, withedges…
Architectural acoustics
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