San Francisco : Architect and Engineer, Inc · leaf 402
to the roomthermostats, remote controlled air operatedvalves are installed so that any side. North,South, East or West may be shut off whilesteam is distributed to any of the remainingsides. These remote controlled valves areoperated from air switches located on thegauge board in the boiler room.… … ENTRANCE TO GARAGE, SHELL BUILDINGGeo. W. Kelham, Architect
Architecture · Building
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