San Francisco : Architect and Engineer, Inc · leaf 510
ands. Straight walls of concrete are very badfor both conditions. Being rigid they donot vibrate and being smooth and hardthey send back sharp unpleasant echoes.It follows that the rectangular structuralconcrete shell of a theater auditorium mustbe supplemented with an inner false shellof plaster… … HENS SMOKING ROOM—Wallveneer with Prima-vera trim,tan and silver. Illuminated frieze THE ARCHITECT AND ENGINEER MARCH. NINETEEN THIRTY-TWO is also smooth it will still give back un-pleasant echoes. The surface thereforemust be covered with sound-absorbing,sound-interference material, like cloth…
Architecture · Building
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