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American Society of Heating and Ventilating Engineers Guide, 1930 treatments.

Peerless Unit Ventilation Company, lnc "PeerVent" Heating and Ventilating Units--"PeerHeat" Units Bridgeport, Connecticut Sales Representatives from Coast to Coast Products "PeerVent" Heating and Ventilating Units, pEERyENT spaced fins, also of copp^ alloy.

American Society of.Heating and Ventilating Engineers Guide, 1932 Chapter 7^-GrAvity Convectors The stack height is usually taken 'as the vertical distance from; the bottom of the heating unit to the top of the enclosure.

American Society of Heating and Ventilating Engineers Guide, 1932 the counter-flowing steam and water may produce objectionable sounds, water hammer, or may retain water in some parts of the system until pressure goes off.

American Society of Heating and Ventilating Engineers Guide, 1932 preferably of the non-return type, especially if the other air valves on the old system are non-return valves.

American Society of Heating and Ventilating Engineers Guide, 1932 With very few exceptions, ventilation standards for dusts are lacking and the only way to judge the safe concentration is by means of periodic medical examinations of the workers and by routine measurements of dust concentration.

American Society of Heating and Ventilating Engineers Guide, 1934 (L.

American Society of Heating and Ventilating Engineers Guide, 1935 ' By considering the temperatures in Table 5 to be wet-bulb readings, the total heat of any air-vapor mixture may be obtained from the last column in the table.

American Society of Heating and Ventilating Engineers Guide, 1935 pneumonia death rate is associated with dust, extreme heat, exposure to cold, and to sudden changes in temperature.

American Society of Heating and Ventilating Engineers Guide, 1935 Table 3.

American Society of Heating and Ventilating Engineers GuideT 1935 Table 1.

strips (one air space) in.) between fumng American Society of Heating and Ventilating Engineers Guide, 1935 Table 3.

American Society of Heating and Ventilating Engineers Guide, 1935 Where irregular conditions are involved it may be desirable to actually calculate the fuel required to warm the building structure and contents for the number of times during the heating season the heating plant would not be in operation and to add this quantity to the fuel required for the number of hours during which the building is heated.

F riction H ead in M iunchcs per Fo o t o r Pipe American Society of Heating and Ventilating Engineers Guide, 1935 Fig. 4.