t o t a l loss in flue gas in per cent 340 CHAPTER 14 1953 Guide This fact indicates that, while combustion processes involving common types of fuel may be regulated by experienced operators to produce the most efficient results, normal combustion processes can be so unbalanced as to create hazards unless both design and operation are planned with a knowl edge of the fundamental principles of combustion.

782 CHAPTER 35 1953 Guide crease performance to any great extent, hut- increases operating hazards considerably.

836 CHAPTER 37 1953 Guide /. the low pressure side,of the system.

1953 ANNUAL INDEX Industrial Hygiene Digest INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL INDUSTRIAL HYGIENE FOUNDATION MELLON INSTITUTE 4400 FIFTH AVENUE PITTSBURGH 13.

. '* X orinternational association HHA7 AND FROST INSULATORS AND ASBESTOS WORKERS Affiliated with the American Federation of Labor and Building and Construction Trades Department Writer's address: 36 Ferry Lane Local Union No. 2 City: Pittsburgh 29, Pa.

60 CHAPTER 3 1954 Guide - Solution b: From the A.S.H.V.E.

CHAPTER 25 1954 Guide s -Unit Heaters and Unit Ventilators 576 577 eral classifications.

654 CHAPTER 30 1954 Guide ally, the heat is supplied by means of hot water or steam.

aT b l e 7.

STRAINERS, Gas Hubbell Corp., 1421 Maid-O'-Mist, Inc., 1550-1651 W.

120 CHAPTER 6 1956 Guide1 20 lb packs under a wide range of environmental conditions which were rated as relatively easy, difficult, and impossible, on the basis of the physiological reactions of the subjects at the end of the 4-hr period as shown in Table 3 and Fig. 3.

252 CHAPTER 12 1956 Guide State Table 1.

380 CHAPTER 15 1956 Guide of excess air.

CHAPTER 32 1956 Guide -Air Duct Design - 753 F ia . 12.

i- r % i" 1i j !