San Francisco : Architect and Engineer, Inc · leaf 274
20 by 20 feet. A horizontal stack about 30 feet deep with a45-foot square opening provides space for 33sound absorbing panels, each 45 by 24 feet.The usual practice is to install bats of theFiberglas insulating material between perforat-ed metal sheets in the form of pans or othersimilar units. The… … Interior view of inlet stack, looking up through the stackfrom a test cell floor, showing how Fiberglas bats ore in-stalled between metal sheets, and spacing of baffle plates. JANUARY, 1942 33
Architecture · Building
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