. Architect and engineer. MAV 1933 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 descrip-tion. ... A p<»rtfolio of pictures willalso reflect the possibilities of Fu-ture Housing and Decoration. . .The Exposition doors open June I This special number will be in the mails June /ip»^^iiM^ Sh 9 The Johnson gradual acting Thermoitat is simplicity its
. Architect and engineer. MAV 1933 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 descrip-tion. ... A p<»rtfolio of pictures willalso reflect the possibilities of Fu-ture Housing and Decoration. . .The Exposition doors open June I This special number will be in the mails June /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 the bi-metallic strip is always free to moveas the temperature demands. W The Johnson Diaphragm Valve is simple, fool-proof — a seamless metalbellows and heavy spring operate the valve-stem. Similarly, in the JOHNSONDamper Regulator, bellows and spring move the lever-arm. Simple, dependabledevices requiring much less maintenance than would be necessary if each valve orregulator were a delicate, complicated mechanism I 9 Johnson is Manufacturer, Engineer, Contractor. No equipment is sold overthe counter without knowledge of how and where it is to be applied. No sellingagents, no dealers. JOHNSON offers not merely temperature and humidity controldevices but complete Systems, Installation,
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Keywords: ., bookcentury1900, bookdecade1900, booksub, booksubjectarchitecture
