San Francisco : Architect and Engineer, Inc · leaf 201
ings for low pressure,standard, extra heavy, hydraulic, su-perheated and extreme hydraulic pres-sures, ranging in size from one-inchto sixty-inch, and for working pres-sures from fifty pounds to three thou-sand pounds. The dimensions of the low pressure,standard and extra heavy fittings arein… … YOU KNOW that a buildingshould be watertight and WE KNOW that it can bemade so with IMPERIAL WATERPROOFING LOOK. FOB
Architecture · Building
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