San Francisco : Architect and Engineer, Inc · leaf 533
j 56 s 2/! 2 I/i 1 1 s s 3/! 2/! I/i 1 1 1 HEAT INPUT TO 4 INCH CONNECTOR, BTU PER HR. COMMON VENT SIZE, INCHES HEIGHT OF VENT, FEET, FROM DRAFT HOOD TO TOP 1 5 1 6 1 8 1 10 1 12 1 15 1 20 1 25 1 30 1 40 1 50 RISE IN 4 INCH CONNECTOR, VERTICAL FEET, FROM HIGHEST EDGE OFDRAFT HOOD SKIRT-TO ENTRY AT… … 0 I 2 3 RISE IN WATER HEATER CONNECTOR, FEET water heater draft hood. This chart (Fig. 9) showsthe results. The curve represents the calculation values. The points are the experimental values found.This is certainly strong evidence that the theory andpractice agree. .Use of charts such as these…
Architecture · Building
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