508 CHAPTER 19 1958 Guide Table 12.

546 .Hi ii CHAPTER 20 1958 Guide Steam Heating Systems OUTLET | OUTLET 547 STEAM TRAPS Steam traps, as the name implies, are automatic devices used to trap or hold steam in an apparatus or piping system until it has given up its latent heat, and to allow condensate and air to pass as soon as it accumu lates.

666 CHAPTER 25 1958 Guide units are not generally equipped with controls.

852' CHAPTER 33 1958 Guide air leaving the filter (D2) is determined by passing the entire air flow through a high efficiency filtering blanket known as an absolute filter, the gain in weight of which is measured.

956 CHAPTER 37 1958 Guide the result that water is extracted by the adsorbent and its weight increased, while the moisture content of the gas is correspondingly reduced.

1126 CHAPTER 45

1174 CHAPTER 47 1958 Guide tion of the two, obtained by center exhaust.

Chapter 59--The Heat Pump.

306 CHAPTER 22 1959 Guide O 10 20 30 40 50 60 70 60 90 00 FTR'CCNT or WIDE OPEN VOLUME Fig. 2....Percentage Performance Curves of a Forward* Curved Blade Centrifugal Fan livery.

466 ASHRAE REFRIGERANT NUMBERING SYSTEM ASHRAE STANDARD REFRIGERANT DESIGNATION CHEMICAL NAME CHEMICAL FORMULA MOLEC BOILING ULAR POINT, STATUS1 WEIGHT F Halocarbon Compounds 10 Carbontetrachloride 11 Trichloromonofluoromethane 12 Dichiorodilluoromethane 13 Monochlorotriiluoromethane 13B1 Monobromotrifluoromethane 14 Carbontetrafluoride 20 Chloroform 21 Dichloromonofluoromethane 22 Monochlorodifluoromethane 23 Trifluoromethane 30 Methylene Chloride 31 Monochloromonofluoromethane 32 Methylene fluoride 40 Methyl chloride 41 Methyl fluoride (SO Methane 110 111 112 112a 113 113a 114 114a Hexachloroethane Pentachloromonofluoroethane Tetrachlorodifluoroethane Tetrachlorodifluoroethane Trichlorotrifluoroethane Trichlorotrifluoroethane Dichlorotetrafluoroethane Dichlorotetrafluoroethane 114B2 115 116 120 123 124 124a 125 Dibromotetrafluoroethane Monochloropentafluoroethane Hexafluoroethane Pentachloroethane Dichlorotrifluoroethane Monochlorotetrafluoroethane Monochlorotetrafluoroethane Pentafluoroethane 133a 140a 142b 143a 150a 152a 160 (170 Monochloro trifluoroethane Trichloroethane Monochlorodifluoroethane Trifluoroethane Dichloroethane Difluoroethane Ethyl chloride Ethane 218 (290 Octafluoropropane Propane ecu ecu?

Industrial Hygiene Digest - ^0 January, 1950 "highest carcinogenic power.

-A4-J-- Industrial Hygiene Digest - 29 January, 1953 -' '>' " - / V' and after treatment.

Industrie Hygiene Digest June, 1957 766 The Use of the Audiogram la Industry.

Industrial Hygiene Digest June, 1957 775 Retaining High Sound.Transmission Lose in Industrial Plante.

69. such cases for the record.