American Society of Heating and Ventilating Engineers Guide, 1928 Case 1 Case 8 Case 8 Case 6 (c) Chapter XIX--Systems of Ventilation A relative humidity of 35 per cent for a room temperature of 70 deg. has been selected because this is the highest percentage of moisture which the air can hold without pro ducing dripping on single-thickness windows in cold weather.

American Society of Heating and Ventilating Engineers Guide 1929 Containing Design and Specification Data Useful in the Planning and Construction of Modern Heating and Ventilating Installations -- Prepared from the Society's Transactions--Investigations of Its Research i Laboratory -- and the Practice of Its Members TOCETHER WITH A I Manufacturers' Catalog Data Section Containing Essen tial and Reliable Facts Concerning Modern Equipment AND A Consulting Service Section for Engineers also The Roll of Membership of the Society with Complete Index of Technical and Catalog Data Vol. 7 Second Printing $5.00 Per Volume 1011989 Published Annually by American Society of Heating and Ventilating Engineers 29 West 39TH Street New York

American Society of Heating and Ventilating Engineers Guide, 1929 \ for any locality, use an average wind velocity of approximately 15 miles per hour.

American Society of Heating and Ventilating Engineers Guide, 1929 HOW TO USE THE COMFORT CHARTS In the Psychrometric Chart, Fig.

American Society of Heating and Ventilating Engineers Guide, 1929 Fig. 1.

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