American Society of Heating and Ventilating Engineers Guide, 1936 4 A 1-Ib sample taken from a 100-Ib batch of material is found to have a bone dry. weight of 0.89 lb.

American Society of Heating and Ventilating Engineers Guide, 1936 Density: The weight of a unit volume, expressed in pounds per cubic W foot. d = -y- Dew-Point Temperature: The temperature corresponding to satura tion (100 per cent relative humidity) for a given moisture content.

American Society of Heating and Ventilating Engineers Guide, 1936 AUTOMATIC HEATING SYS TEMS (See Heating Systems, Automatic) AUTOMATIC SHUTTERS (See Shutters, Automatic) AUTOMOBILE HEATER FANS E.

A merican Society of H eating and V entilating Engineers G uide, 1937 Table 6.

American Society of Heating and Ventilating Engineers Guide, 1937 * radiation through building walls are too complicated to be of much practical value to the heating and ventilating engineer.

American Society of Heating and Ventilating Engineers Guide, 1937 In selecting a heating unit for any particular service, the choice should be based on the desired requirements as follows: 1.

Air Conditioning Fairbanks Morse & Co.

American Society of Heating and Ventilating Engineers Guide, 1937 VALVES, Thermostatic Alco Valve Co., Inc.. 1126 American Radiator Company, 843, 898-901, 974 Barber-Colman Company, 1104- 1105 Beaton & Cadwell Mfg.

American Society of Heating and Ventilating Engineers Guide, 1937 SHEA, Michael B.

Heating Ventilating Air Conditioning Guide 1938 Indirect heaters generally consist of steam boilers in connection-with heat exchangers of the coil or tube types which transmit the heat from the steam to the water.

Heating Ventilating Air Conditioning Guide 1938 Return connections to boilers in gravity systems are made the same size as the return main itself.

Heating Ventilating Air Conditioning Guide 1938 ventilation a 2,000 fpm exhaust air velocity at the slot face is advisable.

Heating Ventilating Air Conditioning Guide 1938 Refrigeration by Well Water When well water is available in sufficient quantities at low temperatures during the cooling season, it may be pumped directly to air washers or cooling coils.

Insulation Insul -Wool Insulation Corp.

Officers and Council American Society of Heating and Ventilating Engineers 51 Madison Ave., New York, N.