American Society of Heating. and .Ventilating Engineers Guide 1931: bend composed of several of the smaller curved pieces illustrated in p(3) a combination of straight pieces with such curved pieces or cast^'" (4) a so-called square bend made up entirely of straight pieces, cast ells In designing any system of steam or hot water piping the exna' for each straight run should be calculated and allowed for.

American Society 0/ Heating and Ventilating Engineers Guide, 1932 return main is not always essential, though in many cases it is a useful auxiliary.

American Society of Heating and Ventilating Engineers Guide, 1932 words, from a static gas condition of zero flow to the amount of gases flowing throughout the installation.

American Society of Heating and Ventilating Engineers Guide, 1932 indicate the effect on the air in the room occupied.

American Society 0/ Heating and Ventilating Engineers Guide, 1932 Ci = Combustion rate for coal, pounds of coal per square foot of grate per hour; E -- heater efficiency factor.

Expansion Joints E.

American Society of Heating and Ventilating Engineers Guide, 1932 TRAPS, Return Barnes & Jones 776 Bishop & Babcock Sales Co., The 777 Julian d'Este Co. 781 C.

iff?

American Society of Heating and Ventilating Engineers Guide, 1934 Chapter 5--Heat Transmission C E IL IN G to R oof R afters) TYPE OF (A pplied D irectly /Sheathing assumed % in., thick. 91

American Society of Heating and Ventilating Engineers Guide, 1934 Ammonia, probably the best known refrigerant, has the disadvantage of being toxic, and under certain circumstances, explosive, corrosive, and irritating, even in smali quantities in the atmosphere.

American Society of Heating and Ventilating Engineers Guide, 1934 ments.

American Society of Heating and Ventilating Engineers Guide, 1934 Table 5.

American Society of Heating and Ventilating Engineers Guide, 1934 Table 10.

American Society of Heating and Ventilating Engineers Guide, 1934 become thoroughly frozen the wet-bulb temperature will rise .to normal.

American Society .of Heating and Ventilating'Engineers Guide, 1934 eqiiatiOn is.'