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.

Heating Ventilating Air Conditioning Guide 1938 AUXILIARY CONDITIONING UNIT In connection with a residential steam or hot water system using radiator or convector heating a unit as shown in Fig. 19, is available to supplement the old or new system.

Heating Ventilating Air Conditioning Guide 1938 in considering the use of register dampers, particularly in those cases where there must be considerable throttling with the damper to balance a poorly designed system.

Heating Ventilating Air Conditioning Guide 1938 I bctt " -V, \ / ii-A1 l>_t-nu /: a-r'%* TMgg***wU18UI jaajjs uioij wiai: 772 Chapter 42.

Heating Ventilating Air Conditioning Guide 1939 for a total leader pipe area up to 790 sq in.

Heating Ventilating Air Conditioning Guide 1939 It is unwise to install a single unit heater as the sole load on anv boiler, particularly if the unit heater motor is started and stopped bv thermostatic control.

Heating Ventilating Air Conditioning Guide 1939 L1VAR, Allen P.