San Francisco : Architect and Engineer, Inc · leaf 171
WINDOWLESS INDUSTRIAL BUILDINGwith Complete Air Conditioning CONTROLLED BY JOHNSON … Pictured above is the control room, showing Johnson valves on the heating andcoohng coils in the individual ducts which serve each room. In this windowlessbuilding, the occupants of each space determine the exact temperature whichthey desire. Then, each of the 61 Johnson room thermostats, the brain…
Architecture · Building
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-243-108.webp)
