HEATINC VENTILATINO AIR CONDITIONING GUIDE 1941 Steam for heating domestic hot water should be taken from the boiler header back of the control valve so that pressures sufficiently high for heating the water may be maintained on the heater.

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 will interfere with their operation.

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 Temperature GENERAL RULES FOR DRYING '> .

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 The following formula may be used for calculating the quantity of air forced through ventilation openings by the wind, or for determining the proper size of such openings: Q = EA V (1) where Q = air flow, cubic feet per minute.

Controls and Instruments The Fulton Sylphon Company Manufacturers of Sylphon Automatic Temperature Controlling Instruments and Packless Expansion Joints Sales Representatives in Principal Cities Knoxville, Tenn.

Heating Systems stMm Barnes clones 129 Brookside Avenue Boston, Mass.

Insulation KIMBERLY-CLARK CORPORATION ESTABLISHED 1872 Building Insulation Division Neenah, Wisconsin A Product of KIMBERLY-CLARK CORPORATION KIMSUL*, manufactured by the kimberlyCLARK CORPORATION, is a wood fibre prod uct, made in long, flexible blankets com posed of many creped layers or plies, pro viding a maximum number of dead air cells for efficient insulation.

Publications American Artisan Published by KEENEY PUBLISHING COMPANY 6 North Michigan Avenue, Chicago, 111.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 accomplishes the desired reduction in temperature differentials and assures maximum comfort in the living zone.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 therefore, V = 1096.5 (1) where V = velocity, feet per minute. hv = velocity head or pressure, inches of water. d = weight of air, pounds per cubic foot.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 at other values of tip speed, total pressure, and size may be approximated by the following relationships. 1.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 mostat must be removed, or protected from damage, in sub-freezing weather.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 air.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 Fig. 2.

Air System Equipment MaJh^y^ BRUNNER MANUFACTURING COMPANY UTICA, N.