712 CHAPTER 39 1946 Guide which will permit placing thermometer wells in the suction connection and allowing sufficient room for free adjustment of the valve.

876 CHAPTER 49 1946 Guide tion of objectionable, combustible and toxic gases.

154 CHAPTER 8 1948 Guide be the same occupancy assumed for determining the outside ventilation requirements outlined in Chapters 12 and 15.

590 CHAPTER 32 1948 Guide FAN DESIGNATIONS Fig. 5 shows the names and definitions of types of fans recently dis tributed by the National Association of Fan Manufacturers 2.

712 CHAPTER 39 1948 Guide - advantages of the forced lubricated compressor are that the lubrication system requires less energy for its operation than the splash type; the oil can be easily filtered before it enters the bearings, and less^oil is usually , required

14 Heating.

72 ' CHAPTER 3 1949 Guide LETTER SYMBOLS (Continued) ' k, = enthalpy of moist air at saturation per pound of dry air, Btu per pound of dry air. hr a velocity pressure, inches of water at 60 F. h* = specific enthalpy of condensed water (liquid or solid) at standard pres sure, Btu per pound water. h** = specific enthalpy of water as added at the thermodynamic wet-bulb temperature t*, Btu per pound of dry air.

212 CHAPTER 11 1949.

280 CHAPTER 15 -1949.

384 CHAPTER 18 1949 Guide cent reserve for igniting a new charge, more grate area may be required depending upon the depth of the fuel pot.

590 CHAPTER 28 1949 Guide Insulation can materially prolong the time required for the water to give up its heat, and if the velocity of the water flowing in the pipe is main tained at a sufficiently high rate, freezing may be prevented.

1 636 CHAPTER 32 1949 Guide jointly by the Amemcan .Society. of Heating and .

866 CHAPTER 43 1949 Guide Selection of induction convectors should be made with due regard to noise level.

996 1949 Guide BIGELOW CO., THE 105 River St., New Haven 3, Conn................................... 1263 OH1A.O iriru. vu., jiov-ow uurrou Ave., tsoicago ic, xu.................................... lizo-lizy BISHOP & BABCOCK MFG.

^CO Fifth Avenue Pittsburgh 13, Pa, REPORT OF ' FHEXIMIEARr TJST IIT7ESTIGATICN FOR ' ASBESTOS T2XTHS INSTITUTE JUKE, 1947 By W.C.L, Hereon Bead Engineer June Id, 1947 Industrial Hygiene Foundation of Acsrica, Inc.