American Society of Heating and Ventilating Engineers Guide, 1932 the building for recirculation of the air when desired, and a duet system attached, to the fan outlet to convey and distribute the air to various parts of the building to be warmed by the apparatus.

;:T^ -A American Society of Heating and Ventilating Engineers Guide, 1932 LYMAN, Samuel E.

American Society of Heating and Ventilating Engineers Guide, 1934 and which are constructed of porous brick and lime mortar.

V American Society of Heating and Ventilating Engineers Guide, 1934 Centrifugal Fans and Blowers2 as adopted by the American Society of Heating and Ventilating Engineers and the National Association of Fan Manufacturers.

American Society 0/ Heating and Ventilating Engineers Guide, 1935 PROPERTIES OF STEAM Steam is water vapor which exists in the vaporous condition because sufficient heat has been added to the water to supply the latent heat of evaporation and change the liquid into vapor.

American Society of Heating and Ventilating Engineers Guide, 1935 I" Note.

American Society of Heating and Ventilating Engineers Guide, 1936 Table 5.

American Society of Heating and Ventilating Engineers Guide, 1936 Chapter 22--Fan Systems of Heating .

of 1936andAmerican Society Heating Ventilating Engineers Guide, Domestic Hot Water Supply Provisions for heating domestic hot water in connection with automatic fuel-burning devices through heat exchangers attached to the boiler are fully described in Chapter 35.

American Society of Heating and Ventilating Engineers Guide, 1936 tion, before evaporation can begin.

American Society of Heating and Ventilating ,Engineers Guide, 1936 Meyer Furnace Company, The, 846 HEATING SYSTEMS, Hot Gilbert & Barker Mfg.

American Society of Heating and Ventilating Engineers Guide, 1937 W = the weight of the gas, pounds.

American Society of Heating and Ventilating Engineers Guide, 1937"' In exhaust ventilating systems where the air column moves toward the fan, noise due to the higher tip speeds and outlet velocities will not be so readily transmitted back through the air column to the building 33 when the air column is moving toward the rooms.

American Society of Heating and Ventilating Engineers Guide, 19J7 ' Justification for liberal power provision exists also in the possibility of varying demand due to changes in ventilation requirements, intensity of occupation, and weather conditions

American Society of Heating and Ventilating Engineers Guide, 1937 The second method is based on steam consumption data which have been taken from a group of buildings in operation, and the results com puted on a degree-day basis.