350 CHAPTER 18 1946 Guide .

456 CHAPTER 24 1946 Guide head available for circulation may be selected from the charts or tables in the same manner as for forced circulation systems.

480 CHAPTER 26 1946 Guide Fig. 1.

672 CHAPTER 38 . 1946 Guide impair performance, a timer-controller causes the dampers to rotate to the opposite side.

860 CHAPTER 47 1946 Guide r =s heat of evaporation of water. s * humid heat of air, i.e., heat necessary to raise 1 lb of dry air 4* H lb of steam IF.

48 Heating Ventilating - Air- - Conditioning, Giiide'1946 KUGEL, H.

446 CHAPTER 23 1948 Guide CONDENSATE RETURN PUMPS Condensate return pumps are used for gravity systems when die local conditions do not permit the condensate to return to the boiler under the existing static head.

506 CHAPTER 26 1948\ Guide - Surplus or Heating Equivalent Direct.

504 iCHAPTER 26 . 1948- Guide used. - .If the air is. to be eliminated at the return header of the unit, a high pressure air valve can be used; otherwise the.air may be; passed with the condensate through the high-pressure return trap, and then eliminated' at some qther. point in the system.

668 CHAPTER 37 i ~. 1943 Guide through the tower counter to the direction of water flow at the rate of 30,000 lb of.dry air per hour

222 CHAPTER 12 1949 Guide thorities give 0.3 to 1 deg increase of room temperature to compensate for 1 deg depression of the MRT.

252 CHAPTER 14 1940 Guide Table 1.- .Winteb Climatip Conditions'1--(Continued) Col. 1 State Col. 2 Station* Col. 3 Ele vation* rr Col. 4 Period or Record* Col. 5 Lowest Temp, on RE008D4 op Col. 6 .

278 CHAPTER IS 1949 Guide Table 3.

586 CHAPTER 28 ' 1949 Guide Solution.

1004 1949 Guide Aldrich Co., 1245 International Boiler Works Co., CEMENT, Insulating American Radiator A Standard Sanitary Corp., 1246-1247 Babcock A Wilcox Co., The, 1263 Bigelow Co., The, 1263 Bryan Steam Corp., 1248 Burnham Corp., 1243' .