.904 CHAPTER 39 1955 Guide control of temperature or humidity usually is obtained by thermostat- or humidistatoperated valves (two-position or proportioning).

1112 CHAPTER 49 1955 Guide tively steaming part of a boiler, the heat transfer may be twice as great ' as would be obtained if the water surrounding the coil were circulating ' slowly.

16 CHAPTER 2 1956 Guide 1 atmosphere 14.696 lb per square inch 2116 lb per square foot 33.94 ft water at 62 F 30.01 in. mercury at 62 F , 29.921 in. mercury at 32 F 1 in. water at 62 F (in vaouo) T 0.03609 lb per square inch <{ 0.5774 os per square inch { 5.197 lb per square foot 1 ft. water at 62 F (in vacuo) f 0.4330 lb per square inch \.62.37 lb per square foot 1 in. mercury at 62 F (in vacuo) $ 1 in. mercury at 32 F (in vacuo) 0.4897 lb per square inch 7.835 oz per square inch 1.131 ft water at 62 F 13.57 in. water at 62 F 0.49115 lb per square inch Metric Units 1 cm 1 in. 1m 1 ft 1 sq cm 1 sq in. 1 sq m 1 sq ft 1 cu cm 1 cu m. 1 cum 1 cu ft 1 liter 1 kg 1 lb 1 metric ton 1 gram 1. kilometer per hour 1 gram per square centimeter 0.3937 in. * 0.0328 ft 2.540 cm 3.281 ft 0.3048 m 0.1550 sq in. 6.452 sq cm 10.76 sq ft 0.09290 sq m 0.06102 cu in. 16.39 cu cm35.31 cu ft 0.02832 cu m 1000 cu cm = 0.2642 gal 2.205 lb (avdp) 0.4536 kg 2205 lb (avdp) 0.002205 lb (avdp) 0.6214 mph f 0.02905 in. mercury at 62 F \ 0.3942 in. water at 62 F 1 kg per sq cm (metric atmosphere) = 14.22 lb per square inch 1 gram per cubic centimeter 0.03613 lb per cubic inch 62.43 lb per cubic foot 1 dyne 1 absolute joule -- 0.00007233 poundals 10,000,000 ergs 0.7376 ft-lb 1 Int. joule 1 metric horsepower 0.7378 ft-lb / 75 kg-m per second. " \ 0.986 hp (U.

I H 36 CHAPTER 3 1956 Guide m- g,-SS; ggKSg SSSSS 38638 SSSSS SSSSS SS8S III HU iisii mu uni |||8 ||||f Is 1 ini mi!

1956 Guide CHAPTER 9 188 2.

310 CHAPTER 13 1956 Guide Research Laboratory2* as well as earlier experimental work,24'28 and other research27 to determine the effectiveness of various types of window shades, have been used as the basis for the recommended ratios in column 3 of Table 24.

498 CHAPTER 21 1956 Guide Steam Heating Systems 499 Fig. 9.

526 CHAPTER 21 1956 Guide to2in.

818 CHAPTER 35 1956 Guide of small drops over the filling and across the air stream with less resistance to air flow.

1154 CHAPTER 52 1956 Guide surveys of the whole cross-sectional area of a duct are inexpedient when numerous test runs are in prospect.

224 CHAPTER 10 -1957-Guide ure curve, thereby confirming that the critical plane for condensation was correctly assumed.

680 , CHAPTER 26 1957 Guide pressure work.

1086 CHAPTER 44 1957 Guide CHARTS FOR DETERMINING HEAT STRESS Fig. 1.

10 CHAPTER 1 1958 Guide Two-Pipe System {Steam or Water)i A heating system in which one pipe is used for the supply of the heating medium to the heating unit, and another for the return of the heating medium to the source of heat supply.

176 CHAPTER 9 1958 Guide' ; 5 Table 3.