San Francisco : Architect and Engineer, Inc · leaf 346
19 The controlling by-pass is enclosed in two chambers and cannot come intocontact with dirt in the flushing water. At each flush, water passes alternate-ly through the controlling by-pass thereby making it positively and auto-matically self-cleaning. » *- j « TiteSete Float Valve For High and Low… … Self-Cleaning,Non-CloggingBy-Pass NATIONAL VALVE COMPANY Phone Douglas 5093 23-25 MINNA ST., SAN FRANCISCO When writing to Advertisers please mention this ma^Tazine. THE ARCHITECT AND ENGINEER p. Noble, Pres. E. B. Noble, Vice-Pres. A. E. Wilkins, Secy Beam, Angle, Channels, and UniversalMill…
Architecture · Building
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