San Francisco : Architect and Engineer, Inc · leaf 418
organizer and first presi-dent of the San Francisco and Peninsulachapters of the National Society of Profes-sional Engineers and former chairman ofthe consulting engineers executive com-mittee of the American Society of Mechan-ical Engineers. NEW FLOOR DRAINVALVE BUILT FORDEPENDABILITY An automatic… … This new valve does not rely upon thuebuoyancy of its float to seal off the drain.It is easily installed into any standard 4drain by lifting up the floor drain cover,setting the unit in position, and tighteningthree screws. No special tools or recement-ing are necessary. All operating parts…
Architecture · Building
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