HEATING VENTILATING AIR CONDITIONING GUIDE 1944 Within a few years, however, they find themselves reacting as natives to the new environment.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1944 warm side of the insulation construction, which may be a vapor-proof paper properly applied under the plaster or a vapor-proof finish on the interior surface of the wall11.

HEATINC VENTILATING AIR CONDITIONING CUIDE 1944 : 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.

'-V. - - HEATING VENTILATING AIR CONDITIONING CUIDE 1944 or ice), or indirectly through a barrier wall (as cooling surface).

HEATINC VENTILATING: AIR CONDITIONING GUIDE 1944 tions of the duct.- In the selection and application of the absorptive material, several points should be considered. 1.

HEATING VENTILATING AIR CONDITIONING CUIDE 1944 may involve spray-head equipment to supply humidity.

HEATING VENTILATING AIR CONDITIONfNd GUIDE 1944 Lau Blower Company, 988 Propellair, Inc., 991 Trane Company, 932-933 H.

Boilers, Heating Systems Radiators, Convectors American Radiator c^tandatfd ^lew^tyik CORPORATION cPittibvujh WAR-TIME RESTRICTIONS I n order to conserve vital materials, the War Production Board has issued Limita tion Orders placing the manufacture and distribution of several items of American Heating Equipment under certain restric tions.

Insulation Underground The Ric-wiL Company INSULATED PIPE CONDUIT SYSTEMS Union Commerce Bldg., Cleveland, Ohio Agents in Principal Cities There is a Ric-wiL insulated conduit system engineered to your specific needs--the transmission of steam, hot water, oil, hot or refrigerated process liquids--providing heat transfer with the lowest possible loss. 1.

m p Table 6.

454 Chapter 24 1945 Guide considerably.

Air Conditioning Unit Heaters and Coolers McQuay, Inc. 1602 Broadway, N.E., Minneapolis, Minn.

A ir System Equipment _ Air Filters and Cleaners Westinghouse Electric Elevator Co.

Controls and Instruments Johnson Service Company Controls and Instruments !'

I o I SAFETY METHODS FOR FRSTSNT1NO OCCUPATIONAL AND OTHER ACCIDENTS AND DISEASS V WILLIAM H.