San Francisco : Architect and Engineer, Inc · leaf 511
thereforemust be covered with sound-absorbing,sound-interference material, like cloth ortapestry, or else have its surface uniformlybroken up, scratched or roughened. An-other acoustical rule forbids large open- of good audition. We now also begin tosee the raison detre for the extraordinaryincised… … Ceiling is of metal fins illuminated from behind. Lights ofvari,,u> colore are projected against a flat plaster ceilingsix feet above the fins and the light is reflected downthrough and against the sides of the fins. ings in walls or ceilings, so that open sideboxes and recessed skylights or…
Architecture · Building
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