968 CHAPTER 46 1951 Guide and a humidity Hi will cool, following this cooling line toward point A.

Heating Systems Burners, on Williams Oil-O-Matic Division WILLIAMS QjtOMATlC SYSTEMS EUREKA WILUAMS CORPORATION, BLOOMINGTON, ILLINOIS Manufacturers of Automatic Fuel Oil Burners and Complete Heating Units for Steam, Hot Water, Warm Air and Radiant Heat.

r 6 CHAPTER 1 1952 Guide sometimes taken as 0 C and sometimes as 62 F.

202 CHAPTER 9 1952`Gvude series is the sum of the resistances of its component parts provided con densation does hot take place within' the assembly.

506 CHAPTER 20 1952.Guide> giving a perfect swing joint when connected to the vertical riser or radia tor connection, whereas the preferred connection does not give this swing without distorting the angle of the pipe.

548 CHAPTER 23 1952 Guide -'Example 2: Find the combined total useful heat transfer from a square foot of ceiling panel having a surface temperature of 100 F, when the average room air tem perature is 70 F and the mean radiant temperature UMRT of the unheated room sur faces is 60 F.

606 CHAPTER 27 1952 Guide I' Table 5.

666 CHAPTER 30 1952 Guide Fio. 9.

768 CHAPTER 35 1952 Guide -tures, etc., to perform the same duty with either.

934 Table 1.

1088 1952 Guide Stewart Mfg.

244 CHAPTER 12 ' 1953 Guide Table; 1; Winter Climatic Conditions*--(Continued) Coni' *1 State Con. 21 Station*5 Col. 3 Ele va tion* FT Col. 4 Period 0FRecordA.

372 CHAPTER IS 1953 Guide In most localities it may be installed in basements without being enclosed.

390 CHAPTER 16 1953 Guide 2.

100 CHAPTER 16 1953: Guide Rating Equations for Gravity Warm Air Furnaces9 Until a method of testing and rating gravity warm air furnaces has been developed, the following empirical rating equations are recommended by the National Warm Air Heating and Air Conditioning Association.