San Francisco : Architect and Engineer, Inc · leaf 244
isco ROBERT W. HUNT CO. ENGINEERSINSPECTING TESTING STRUCTURAL MATERIALS CONCRETE MIX DESIGN CHEMICAL ANALYSIS EQUIPMENT PRINCIPAL CITIES UNITED STATES • EUROPE SAN FRANCISCO LOS ANGELES PORTLAND SRATTLE HIGH PRESSUREAIR DIFFUSER Temperature and volume are controlledseparately in this new Connor… … Both air inlets fitted with dampers. Thetwo outer sleeves slide back and forthover fixed inner sleeves, governing thesize of holes through which air flows; bothsleeves are moved simultaneously by ther-mostat-actuated motor. Made in capacitiesup to 1000 c.f.m., opearting at staticpressures up to 6,…
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