San Francisco : Architect and Engineer, Inc · leaf 393
FIG. 3. METHOD USED IN THE ST. LOUIS AIRLEAKAGE TESTS oratory conditions where an artificial windipressure is created by fans. Because of difficulties with the orifice methodof testing leakage around windows, the methodshown in Fig. 3 was finally adopted and usedthroughout the tests. The collecting… … FIG. 4. SET-UP FOR TESTING WINDOW LEAKAGE IN SOUTHWESTERN BELL TELEPHONE BUILDING. ST. LOUIS, MO. February, 1928 QJAo, ARCHITECT AND ENGINEER, 57 through the gas meter C so as to maintainzero pressure difference between the collectingchamber A and the room D. This insuredthe same leakage through…
Architecture · Building
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