American Society of Heating oik2 Ventilating Engineers Guide, 1924-25 importance for heating and ventilating .purposes.

I Furnaces and Boilers The XXth Century Heating & Ventilating Co.

American Society of Heating and Ventilating Engineers Guide, 1926-27 particularly bituminous or soft coal, from 1 to 2 hour firing periods are generally considered.

- American Society of Heating and Ventilating Engineers Guide, 1926-27 Smoke Pipes Section 9. a.

American Society of Heating and Ventilating Engineers Guide, 1926-27 Fig. 80.

American Society of Heating and Ventilating Engineers Guide, 1928 to be handled from direct radiation, direct-indirect radiation and indirect or fan blast radiation may be estimated as follows: For direct radiation W = 0.3 R For direct-indirect radiation W = 0.6 R For indirect radiation W= where W = lbs. of condensate per hour, R = sq. ft. of radiation, Q = cu. ft. of air per min., T = temperature rise of air in deg. fahr. and H = the latent heat of steam in the system in B.t.u. per pound.

American Society of Heating and'-Ventilating Engineers Guide, 1928 1919 1st Vice-President.. 2nd Vice-President... .....

American Society of Heating and Ventilating Engineers Guide, 1929 normal gases of combustion, at the average temperature for which the chimney was designed, and then the flow of these gases was suddenly stopped.

American Society of Heating and Ventilating Engineers Guide, 1929 Example.-- Temperature rise 122.3 deg. -- 0 deg. = 122.3 deg. with all outside air. or Assume 50 per cent outside air 0 deg. 50 per cent recirculation 60 deg.

American Society of Heating and Ventilating Engineers Guide, 1929 ' Water Connections _ Hot and cold water connections to sinks are 34 in.

American Society of Heating and Ventilating Engineers Guide, 1929 Centrifugal fans or blowers are usually housed, though certain types operate fairly well without housing.

American Society of Heating and Ventilating Engineers Guide, 1929 UNIT VISCOUS FILTERS Unit viscous filters usually are made up of a number of separate filter units with a frame or frames designed to support them and arranged so that the filter units are easily removed from the frame for cleaning and recharging.

American Society of Heating and Ventilating Engineers Guide, 1929 GIBBONS, M.

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i quarterly Meeting of the Board of Directors of the da tssd Products Oompany was held at the office of the Com^ 25 Broadway, New York City, Tuesday, September 20th 1921, pftD?'