INDUSTRIAL HYGIENE FOUNDATION OF AMERICA, INC. 4400 Fifth Avenue Pittsburgh 13, Pa, REPORT- OF PRELBEENARY LUST INVESTIGATION FOR ASBESTOS TEXTILE II'JS'TITUTS JUNE, 1947 By \T,C,L.

Heating Ventilating Air Conditioning Guide 1940

HEATING VENTILATING AIR CONDITIONING GUIDE 1940 7.

HEATING VENTILATING AIR CONDITIONING CUIDE 1940 the Code, is given in Fig. 1.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1940 existing spaces.

igjggiggg^lpp^ HEATING VENTILATINC AIR CONDITIONING CUIDES1940 Armstrong 1003 Machine Works, 1002- AIR TUBING, Flexible Metal ' (See Tubing.

HEATINC VENTILATING AIR CONDITIONING CUIDE 1941 HOT WATER SUPPLY BOILERS Boilers for hot water supply are classified as direct, if the water heated passes through the boiler, and as indirect, if the water heated does not come in contact with the water or steam in the boiler.

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 gas passages must not be so small as to cause excessive resistance to the flow of gases where natural draft is employed.

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 the statement that a weld is only as good as the workman who makes it.

HEATINC VENTILATING AIR CONDITIONING CUIDE 1941 Sg ,5g5 *dBaC5obSfc Its a fc 2co*< li2p33 11* lUdc3 - .

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 so as to admit steam to the heating coil whenever heat is required so as to maintain a fixed temperature in the space.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 .

HEATING VENTILATING AIR CONDITIONING CUIDE 1942 The factors in Table 4, as corrected if necessary, are satisfactory for regions having 3500 to 6500 degree-days per heating season.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 It is important to keep the lowest points of the steam mains and heating units sufficiently above the water line of the boiler to prevent flooding.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 Example 2.