234.

438 Chapter 23 1945 Guide 2.

540 Chapter 29 1945 Guide flow fans are installed inducts, provisionsTnay be~rnad(Tto iristalFthe driving motor outside the duct by employing slots in the duct to permit a belt drive from the motor to the fan sheave, or by extending the shaft for a direct-connected motor placed outside of a Y fitting or elbow in the duct system.

744 Chapter 43 _______ _', - 1945 Guide 2.

804 Chapter 48 ' 1945 Guide -Graphical Symbols for Drawings Refrigerating 94.

vu- ---y 62 Heating' Ventilating Air,;Comhtioriing collide 1945 PRESIDENTS OF THE A.

444 CHAPTER 23 \ 1946 Guide- ' Dirt pockets, desirable on all systems employing thermostatic .traps, should be so located as to protect the traps from scale and muck which will interfere with their operation.

870 CHAPTER 48 1946 .Guide_ is closely interlocked with compressor demands, need for pre-cooling, battery charging, etc.

124 CHAPTER 6 1948 Guide Table 5.; Coefficients of Transmission (U) of Frame Walls Coefficients ore expressed in Btu per {hour)'(square foot) {Fahrenheit degree difference in temperature between the air on the two sides), and are based on a'n outside wind'vehdty of 16. mph.

330CHAPTER 17________________________________________________________ 1948 Guide i' operate with luminous or non-luminous flame.

490CHAPTER 25 1948 Guide about 150 to 300 for evaporating dichlorodifluoromethane, about 350 to 1200 for water at 2 and 6 fps and about 1200 for condensing steam.

522 CHAPTER 27 1948 Guide - for refrigeration use, thread fits and tolerances on thread gages must be maintained within close limits.

604 CHAPTER 33 1948 Guide emanating from, animals and people, some of the gaseous constituents of combustion, alcohols, ketones, esters, and , gaseous products of .putre faction.

52 CHAPTER 3 ,1949 Guide GOFF DIAGRAM FOR MOIST AIR It is a fundamental proposition of thermodynamics that when a fluid- flows across a section fixed in space it convects with it an amount of energy, equal to its enthalpy ~ds determined by the pressure, temperature, and com position of the fluid at that section.

932 CHAPTER 48 1949 Guide' of passenger heating system is a further problem.