San Francisco : Architect and Engineer, Inc · leaf 152
t as one located on the street level. The installa-tion of escalators represents a distinct innovationin office building construction. Recently Otis Elevator Company has developedrefinements in escalator construction which producesmoother and quieter operation. This importantimprovement opens up… … H€flT€D/ ECONOMY made possible by the JOHNSONDUAL SYSTEM of Temperature Control And Johnson Dual Thermostats .... In SCHOOLS, OFFICE BUILDINGS, CHURCHES, LODGE HALLS — almost every type of building — there is a time during the day or nightwhen only a Few rooms are occupied. JOHNSON DUAL HEAT…
Architecture · Building
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