American Society of Heating and Ventilating Engineers Guide, 1930 that the filter units are easily removed from the frame for cleaning and recharging.

American Society of Heating and Ventilating Engineers Guide, 1930 Space Heaters In residence heating work, the space heater is most commonly used in the form of a radiant heater.

American Society of Heating and Ventilating Engineers Guide, 1930 ECONOMIC THICKNESS OF PIPE INSULATION Table 6 shows the thicknesses of insulation which ordinarily are used for various temperature conditions.

T able 3.

1930American Society of Heating and Ventilating Engineers Guide, 1912 President___________John R.

American Society-of Heating and Ventilating Engineers Guide, 1931 ' Table 5: Circumferences and Areas of Circles Du meter IN Inches Area .Sq.

American Society of Heating and Ventilating Engineers Guide, 1932 Care should be taken sufficiently to throttle the branches especially at points of high pressure so that the discharge will approximate the amounts given in Table 1.

American Society of Heating and Ventilating Engineers Guide, 1934" greatest curative and is a powerful germicidal agent.

American Society of Heating and Ventilating Engineers Guide, 1934 If all of the air is recirculated, the total heat required is of course the same as the heat loss of the room, or //,=# = o.24 W {ty--t) (5) .

, American Society of Heating and Ventilating Engineers Guide, 1934 the casing above the level of the grate in the furnace.

American Society of Heating and Ventilating Engineers Guide, 1934 HEATING ELEMENTS Commercial electric heating elements are divided into open type elements, enclosed type elements, and cloth fabrics.

American Society of Heating and.

American Society of Heating and Ventilating Engineers Guide, 1934 be higher than that of saturated steam at the same pressure.

f DESCRIPTION OF THE BULKELEY PSYCMROMETRIC CHART* Vapor pressures at different temperatures are plotted on the vertical ordinate in millimeters of mercury to logarithmic scale.

American Society of Heating and Ventilating Engineers Guide, 1936 between the effective.temperature for still air and for moving air, of any velocity, represents the cooling resulting from that air velocity.