of and 1937American Society Heating Ventilating Engineers Guide, tures in New York City from which factors were derived and applied to the average maximum dry- and wet-bulb temperatures for other cities.

American Society of Heating and Ventilating Engineers Guide, 1937 Class 3 Stokers, General Commercial, Small High Pressure Plants The general commercial heating and high pressure plant with boilers burning from 500 lb of coal per hour to 1200 lb of, coal per hour, is a field distinct from the large commercial and industrial field.

American Society of Heating and Ventilating Engineers Guide, 1937 8 What is the purpose of atomization?

American Society of Heating and Ventilating Engineers Guide, 1937 brought up to 50 per cent humidity at 150 F.

Heating Ventilating Air Conditioning Guide 1938 Sun Effect Through Windows Windows present a problem somewhat different from that of opaque walls, because they permit a large percentage of the solar energy to pass through undiminished; only a small percentage (approximately 10 per cent) is reflected.

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.

Executive Committee W.

Heating Ventilating Air Conditioning Guide 1939 18 19 T able 6.

HEAxmo Ventilating Air Conditioning Guide 1939 iii 3 i i i i i j c* II lI ooo M CO od O U si.

Heating Ventilating Air Conditioning Guide 1939 A*'system equipped with such valves builds up a vacuum and holds the heat 1oq With proper controls on the boiler, lower radiator temperatures can be maintained^* mild weather, giving better plant efficiency. ** 12 # What are the essentials of a two-pipe closed vapor system?

Heating Ventilating Air Conditioning Guide 1939 HANGERS AND SUPPORTS Heating system piping requires careful and substantial support.

Heating Ventilating Air Conditioning Guide 1939 2 Is it satisfactory to install one unit heater as the total load on a cai fired boiler?

Heating Ventilating Air Conditioning Guide 1939 resistance of individual water circuits is generally sufficient to effect a satisfactory distribution.

Heating Ventilating Air Conditioning Guide 1939 Table 1.

Heating Ventilating Air Conditioning Guide 1939 The instrument is essentially an alcohol thermometer with a bulb approximately 54 in- in diameter and x/i in. long with a stem 8 in. long reading from 100 F to 95 F, graduated to tenths of a degree.