not be metabolized by the host be fore it could act.

J okns-Man.ville Twenty-Two East Fortieth.

Air Hygiene Foundation of America, Inc 4400 Fifth Avenue, Pittsburgh, Fa March 23, 1939 REFERENCES TO RECENT LITERATURE ON INDUSTRIAL DISEASES (A) New3 Items 165 OCCUPATION AND HEALTH, Supplement.

HWBB-0007815 Air Hygiene Fotmdation of America, Inc., 4400 Fifth Avenue, Pittsburgh, Pa., February I, 1937.

1935 TRANSACTIONS National Safety Council ' Incorporated TWENTY-FOURTH ANNUAL SAFETY CONGRESS Louisville, Kentucky October 14 to October 18, 1935 The Bcown, Kentucky amlJScelbach Hotels fN M iller M lCuntock, H arvard U niversity.

American Society of Heating and Ventilating Engineers Guide, 1930 where w = pounds evaporated per square foot per hour; v = velocity of atmosphere over surfaces in feet per minute, e' = vapor pressure of the water corresponding to its temperature. e = vapor pressure in the surrounding atmosphere.

American Society of Heating and Ventilating Engineers Guide, 1930 Table 3.

American Society of Heating and Ventilating Engineers Guide, 1930 Its solubility in water, like all gases, is dependent upon the temperature and partial pressure.

American Society of Heating and Ventilating Engineers Guide, 1930 In industrial ventilation, where specific contaminants are to be con tended with, a knowledge of the concentration and character of the contaminating substances is essential for best results.

American Society of Heating and Ventilating Engineers Guide, 1930 Table 1.

American Society o/.

American Society of Heating and Ventilating Engineers Guide, 1932 In Fig. 10 is shown a rotary or air-turbine ventilator, which rotates continuously under the action of the wind, the motion being produced by the difference of wind pressure on the convex and concave sides of . the vanes.

American Society of Heating and Ventilating Engineers Guide, 1934 tube or water tube; second, with regard to arrangement of furnace and flues, as (1) horizontal return tubular (HRT) boilers, (2) portable (selfcontained) firebox boilers with either water or fire tubes, and (3) water tube boilers of the power type.

American Society of Heating and Ventilating Engineers Guide, .1934 return in the opposite direction.

American Society of Heating and Ventilating Engineers Guide, 1934 Table 12.