American Society of Heating and Ventilating Engineers Guide, 1935 the top floor, that the length of run from the tank to the farthest fixture is 200 ft, equiva lent length of fittings 100 ft, and the pressure required at the fixture is 7 lb.

American Society of Heating and Ventilating Engineers Guide, 1935 would be sufficient; and that where the flow is 100 gpm in the riser branch and rise 5-in. size would be correct.

American Society of Heating and Ventilating Engineers Guide, 1935 Hoyt.

American Society of Heating and Ventilating Engineers Guide, 1936 dt, the weight of saturated vapor mixed with 1 lb of dry air, Wt, (at a relative humidity of 100 per cent and a barometric pressure, B, of 29.92 in. of mercury), the specific volume of dry air, and the volume of an air-vapor mixture containing 1 lb of dry air (at a relative humidity of 100 per cent and a pressure of 29.92 in. of mercury).

American Society of Heating and Ventilating Engineers Guide, 1936 surface resistance.

American Society of Heating and Ventilating Engineers Guide, 1936 equipped with fans which cause the air to pass over the heating surfaces at a fairly high velocity and then direct the warm air in to the space to-be heated.

American Society of Heating and Ventilating Engineers Guide, 1936 AIR Chapter.12--Unit Heaters, Ventilators, Coolers, and Air Conditioners line surge and reducing light flicker.

American Society of Heating and Ventilating Engineers Guide, 1936 is due to the fact that the combining power of carbon monoxide with the haemoglobin of the red blood corpuscles is about 300 times greater than that of oxygen.

1936American Society of Heating and Ventilating Engineers Guide, natural frequency of. the 'machinery on the cork or felt is low in com parison with the frequency generated by the equipment, the cork or felt may be of little avail.

of and 1936American Society Heating Ventilating Engineers Guide, Expansion may be taken care of by any, or all, of three different methods, namely, (1) the spring in the pipe including offsets and expan- sion bends, (2) the turning of the pipe on its threads and s\ving joints, and (3) the use of expansion joints. '.

American Society of Heating and Ventilating Engineers Guide, 1937 An idea for producing even distribution of air consists of a perforated ceiling made of a suitable architectural surface and installed a small distance below the normal ceiling level of the room.

American Society of Heating and Ventilating Engineers Guide, 1937 (1340 \2 4005 / = -112 in 77.6 Taking 50 diameters as one head loss, then - X 0.112 = 0.174 in. static loss in duct Where the connection pieces are made with long easy slopes and the general work manship is good, a regain in static pressure may be deducted from the foregoing pressure loss.

American Society of Heating and Ventilating Engineers Guide, 1937 the use of the welding process.

International Heating & Ventilating Exposition THE AIR CONDITIONING EXPOSITION Permanent Address--Grand Central Palace, New York, N.

Heating Ventilating Air Conditioning Guide 1938 The returns must grade downward constantly and uninterruptedly from the radiator return outlet to the inlet on the high-vacuum pump receiver.