Illinois Society of Architects · Chicago · leaf 373
rooms,chemical laboratories, telephone booths, etc. ILG UNIT HEATERS for Garages and Factories. Sur-prisingly economical. Complete details and literature on request ILG Electric Ventilating Co. Telephone Superior 3433 CHICAGO, ILL. />? MUELLER STEAM AND WATER BOILER RATINGS ARE Positively… … .■5 72 XABZ.Z: OP EQUIVALENT TEMPERATUBEPOB TESTING A HEATING PIiANT ATDIPFEBENT OUTSrOE TEMPERATURES. For the purpose of indicating the efficien-cy of the apparatus for any specified condi-tion, Prof. Carpenter gives the followingtable, which has been generally accepted asthe standard test. For…
Architecture · Building · Architects
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