San Francisco : Architect and Engineer, Inc · leaf 10
Section,State Association of California Architects; Vernon S. Yallop, Mgr. CLIENT: \^e want a heatingsystem that wont t hpfore therust out beiore last payment ismade. AUHght. Well useU-S-S Galvam^d^Copper Steel... same r^*8^metal we mstaUmlarge buildings. ff<7/ 6S S Copper Steel Last? Thin… … Y! prospectivehome owner for insisting ondurable metal work when his mort-gage may run for 25 years. What typeof steel are you specifying for theduct work in modern homes? Will ithave ample rust resistance to com-bat the higher humidities of todaysheating systems? If you are stillusing conventional…
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