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H W B B -U U l/l/4 t Industrial Hygiene Digest ,^3 `-ni INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING --0\ CHEMICAL TOXICOLOGICAL LEGAL decision* and trend* fr^l ------ 1 AUGUST, 1957 (Vol. 21.
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August 26* 1955 Mr.
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CHAPTER 15 . 1954 Guide 3o7f0excess air.
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628 CHAPTER 28 1954 Guide Table 6.
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878 CHAPTER 39 1954 Guide , 3.
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8146 CHAPTER 7 1955 Gaidevg?
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192 CHAPTER 9 1955 Guide) Table 16.
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220 CHAPTER 10 1955- Guide#* 'M | * Remedial Measure* Jor Building Construction, by L.
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750 CHAPTER 32 1955 Guide Table 11.
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806 CHAPTER 35 1955 Guide the water upwards into the air.
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6 CHAPTER 1 1956 Guide 'Manometer:.
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500 CHAPTER 21 1956 Guide Each heating unit in a vapor system, as in all two-pipe systems, is pro vided with a graduated or modulating valve which permits the control of heat in the radiator by varying the opening of the valve.
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618 CHAPTER 26 1956 Guide side of the coil.
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650 CHAPTER 27 1956 Guide Table 22.
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684 CHAPTER 29 1956 Guide of design, ease in testing, accuracy at all loads, low cost, and adaptability to low pressure distribution have made it standard equipment with many' heating companies.
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