Air Duct Design 583 A = cross-sectional area of duct, feet.

Terre Haute Boiler Works Co.; 1061 BURNERS,- Automatic (See also CEMENT; Mineral Wool - United States Radiator Corp., 1063- .

Insulation Blanket I' United States Gypsum Company General Offices: 300 W.

80 CHAPTER 4 1946 Guide where .

178 CHAPTER 9 - : 1946.Gu.idc both forces are acting together, even without interference, the resulting air flow is not equal to the sum of the . two estimated quantities.

440 CHAPTER 23 1946 Guide Vacuum Pump Controls In the ordinary vacuum system, the vacuum pump is controlled by a vacuum regulator which cuts in when the vacuum drops to the lowest point desired and cuts out when it has been increased to the highest point, these points being varied to suit the particular system or operating conditions.

so CHAPTER 3 1948 Guide the processes occurring most frequently in air conditioning practice.

242 CHAPTER 14 1948 Guide where (a =. attic temperature, Fahrenheit degrees, h = inside temperature near top floor ceiling, Fahrenheit degrees. to = outside temperature, Fahrenheit degrees.

526 CHAPTER 27 1948 Guide rising stem, although in the smaller sizes the rising stem is more commonly used.

S74 CHAPTER 31 1948- Guide Table 3.

\722 CHAPTER 39 1948 Guide hm enthalpy of mixture.

118 Heating Ventilating Air Conditioning Guide 1948 WORTH, William E.

234 CHAPTER 13 . 1949 Guide' in this probable infection chain has been demonstrated to be the reintro duction of particles into the air*.

264 CHAPTER 14 Table 4 of Chapter 8 indicates an- changes commonly used but should be * taken only as a guide.

302.