Illinois Society of Architects · Chicago · leaf 248
uld beOutside Air raised to Outside air raised to 10 64.7 50 98.7 0 70.0 60 104.7 10 75.1 70 110.5 20 81.0 80 117.1 30 86.5 90 123.5 40 93.1 100 130.3 See University of Illinois Engineering Experiment Station Bulletin No. 31 formethods and results of tests on house heating apjiaratus. These tests… … .DAVl^EGULATOR CO. ^44^^WAUKEE AVE., CHICAGO OyVj* Manufacturers of SteamJI^ng and Power Plant Specialties riS PRESSURE REGm.^T§R r^ Regulatorsressure Valvesst Relief Valvesm Trapsp and Check ValvessRadiator JUr ValvesESTABLISHED 1875 Balanced ValvesFloat ValvesDamper RegulatorPump GovernorsWater…
Architecture · Building · Architects
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