American Society of Heating wVentilating Engineers Guide 1924-25 Containing Reference and Desicn Data Useful in the Planning and Construction of Modern Heating and Ventilating Installations -- Prepared from the Society's Transactions--Investigations of Its Research Laboratory--and the Practice of Its Members Together with A CATALOG AND REFERENCE DATA SECTION CONTAINING ESSENTIAL AND RELIABLE FACTS CONCERNING MODERN EQUIPMENT AND THE ROLL OF MEMBERSHIP OF THE SOCIETY Vol. 3 $3.00 Per Volume 934127 Published Annually by American Society of Heating and Ventilating Engineers 29 West 39TH Street New York

WrTT' `` : ..... : r------------ - ; '/ - ' ' *'' T"""...... -- -iw. j=,-s;-' American Society of Heating and Ventilating Engineers Guide, 1925-26 5- -h trarily to distinguish the two principal air passages which are found in f| double hung windows, and they will be used frequently throughout the report and should not be confused.

Index to Advertisers American Society o/ Heating and Ventilating Engineers Guide 1925-26 Page Abendroth Bros., Port Chester, N.

American Society of Heating and Ventilating Engineers Guide, 1926-27 the stack will not be excessive and of protecting the pilot flame against back-drafts.

American Society of Heating and Ventilating Engineers Guide, 1926-27 Class D--85 per cent equipment.

American Society of Heating and Ventilating Engineers Guide, 1926-27 periods when the space is only partly occupied and the mechanical arrangements are inadequate for properly varying the quantity of air handled to suit.

American Society o/'Heating and Ventilating Engineers Guide, 1926-27 EXAMPLE IN THE USE OF THE CHART Determine the percentage of perfection of ventilation in a room where the following conditions are observed.

American Society of Heating and Ventilating Engineers Guide, 1926-27 first two requirements; for the last one, hand regulation is depended upon.

American Society of Heating and Ventilating Engineers Guide, 1928 Chapter .

American Society of Heating and Ventilating Engineers Guide, 1928 Table 12.

American Society of Heating and Ventilating Engineers Guide, 1928 Tempcsature or Water in Flow Bijce Chapter IV--Hot Water Heating Systems and Piping the friction heads in the pipe and- in the elbows can be calculated by known formulae, or, they can be determined more readily from the diagrams of Figs. 7 and 8.

American Society of Heating and Ventilating Engineers Guide, 1928 DESIGNING A FURNACE HEATING SYSTEM The design of a furnace heating system involves the determination of the following items: o.

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American Society of Heating and Ventilating Engineers Guide, 1928 LINER, John J., (Associate 1916), Pres., (for mail), Philadelphia Asbestos Co..

American Society of Heating and Ventilating Engineers Guide, 1929 supply to a progressive or lane shower bath, such as is used in connection with swimming pools.