688 Chapter 39 1945 Guide, of 50 to 55 per cent.

702 Chapter 40 1945 Guide Hoods'for Chemical Laboratories Hoods used in chemical.'

46 CHAPTER 3 Il 88SS8 "8o |SS 22 22222 222 ii - ||g. . 1'- 88S8S'88883. 8gS.S8Sg3 22222 222s- I` l Jill 111 llffl ill III lli is mu si ms in in P ill 111 111 HU Hill 111 diondoi iocnodd idonodid idonddd diondo'd idnodo'id ill ill 111!

CHAPTER 3 1946' Guide LETTER SYMBOLS (Continued) m = weight of dry air crossing any duct section, pounds per minute.

528 CHAPTER 28 1946 Guide, Table 11.

636 CHAPTER 36 1946 Guide- The standard rating conditions for self-contained unit air conditioners, as given in the code, are set forth in Table 1.

690 CHAPTER 39 1946 Guide Coefficient of Performance In order to permit evaluation of the effectiveness with which any given cycle operates, some term is desirable which would be comparable to the efficiency that is used for heat engines.

808 CHAPTER 43 1946 Guide Insulation is an important factor in air conditioning systems.

846 CHAPTER 46 1946.

r-TM, K*> 94 1 V't1' "' r. `.i{i.,..'7vr:j'*1.<'-/,'?

254 CHAPTER 15 1948 Guide Table 1.

262 CHAPTER IS 1948 Guide ;.As a further example, the infiltration of outdoor air with a high drybulb temperature and a high humidity ratio and the corresponding escape of room air at a lower dry-bulb temperature and a lower humidity ratio would increase both the sensible heat load and thelatent heat load.

710 CHAPTER 39 1948 Guide ance, is greater than that of a refrigeration cycle operating between the same temperature limits.

742 , CHAPTER 40 1948 Guide Table 1.

778 CHAPTER .42 1948 Guide Muslin covend rock wool or board Fig. 2.