San Francisco : Architect and Engineer, Inc · leaf 78
3 ModernArchitectureat Centuryof ProgressExposition ▼ ATATATATATAT I The Architect and Engineer for June will feature Cliicagos 1933 Worlds Fair Buildings withmany interesting and striking viewsphotographed especially for thismagazine. . . . Plans and details willaccompany a semi-technical… … /ip»^^iiM^ Sh 9 The Johnson gradual acting Thermoitat is simplicity itself—merely a depend-able automatic reducing valve. The accurate, bi-metallic temperature element variesthe air pressure on valves and damper regulators, gradually, as more or less heat isrequired. Jewelled bearings insure that…
Architecture · Building
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