680 CHAPTER 32 1950 Guide clined backward away from direction of rotation.

708 CHAPTER 33 1950 Guide ,The Mathematical Theory of the Cottrell Electric Precipitator, by A.

734 CHAPTER 34 1950 Guide crease performance to any great extent, but increases operating hazards considerably.

742 CHAPTER 35 1950 Guide dampers are often closed automatically when the fan is stopped to avoid trouble caused by very cold outside air drifting in during off periods.

148 CHAPTER 7 1951 Guide providing a uniform environmental temperature just sufficiently high to keep the body temperature within normal limits.

178.

224 CHAPTER 10 1951 Guide ing wind is 8 mph perpendicular to the long dimension.

570 CHAPTER 25 1951 Guide features not obtainable with the coil and bunker method.

608 CHAPTER 28 1951 Guide There, are many types of conduits, some of which are manufactured products and some of which are built in the field.

628 CHAPTER 29 1951 Guide Central Systems for Air Conditioning 629 spaces that are otherwise usable should be charged against the system as an The location of the complete apparatus, assembly, including the dehumi- operating cost. . difier, will be dependent on the type of building, spaces available, structural, In general, the apparatus should be arranged to have straight line air characteristics, etc.

660 CHAPTER 31 1951 Guide lengths and mean velocities of flow as a circular duct of the same hydraulic diameter.

872 CHAPTER 40 1951 Guide Sound Control 873 Fig. 2.

948 CHAPTER 45 1951 Guide basis that the smaller the kitchen the more concentrated the heat will be, thus requiring a more rapid rate of air change.

190 CHAPTER 9 1952 Guide Heat Transmission Coefficients of Building Materials 191 Table 10.

296 CHAPTER 12 1952 Guide .