1046 CHAPTER 42 1957 Guide which will combine with the sulphate and chloride ions, is called permanent or non carbonate hardness.

1120 CHAPTER 46 1957 Guide Table 1.

1242 CHAPTER 53 1957 Guide Table 1.

472 CHAPTER 18 1958- Guide Table 2.

512 CHAPTER 19 ..jssiev'' -n.JprlMM Guide ditioning.

624 CHAPTER 23 1958Guide Step 8.

070 CHAPTER 25 1958 Guide / thereby prevent excessive weight loss, mold and slime growth, and moisture absorption by hygroscopic materials such as dried fruits.

782 CHAPTER 30 1958 Guide outlets are attached either directly to the bottom of horizontal ducts or to special vertical take-off ducts which connect the outlet with the horizontal duct.

864 CHAPTER 33 1958 Guide temperature conditions.

886 CHAPTER 34 1958 Guide circulating water as a result of evaporation; that the water suspended in the tower is surrounded by a film of air which is saturated with water vapor and at the temperature of the water surrounded; and that the basic theory of cooling' tower operation proposed by Lewis13 and developed by Merkel14 is applicable.

1026 CHAPTER 40 ' 1958 Guide fan is 69 db, 4 db higher than the value used in Equation 20;- It is on the edge of the stated limit of approximation =fc 4 db. .'

1238 CHAPTER 51 1958 Guide / When coils are installed in the floor slab, these systems must be operated continuously (day and night).

1246 CHAPTER 52 1958 Guide s C to be.subtracted from the observed barometer's height is obtained;,by meanS; of--Equation 2.

Insulation sound INDUSTRIAL ACOUSTICS COMPANY, INC. 341 Jackson Avenue New York 54, N.Y.

130 CHAPTER 10 1959 Guide humidity (0.03 id.