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I COPT THIS SARANAC LABORATORY FOR THE STUDY OF TUBERCULOSIS OF THE EDUARD L.

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$4jSilicones Silicones are a family of man-made materials having their origins in silicon, an abundant, rock-like substance derived from quartz, and in organic hydrocarbons such as petroleum.

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THE BULLETIN OF THE i AMERICAN CERAMIC SOCIETY Volume 16 JULY, 1937 Number 7 For story of Mr.

THE BULLETIN OF.

American Society of Heating and Ventilating Engineers Guide, 1930 temperature, dew-point temperature, and dew-point differentials for 50 per cent relative humidity illustrates this relationship most clearly: Dry-bulb temperature.............. ................ 65.0 Dew-point temperature................................... 45.8 Difference between dew-point and drybulb temperature........................................ 19.2 70.0 50.5 19.5 75.0 80.0 85.0 90.0 55.25 59.75 64.25 68.75 \ 19.75 20.25 20.75 21.25 It will be seen from an inspection of this table that the difference between the dew-point temperature and the room temperature is approxi mately 20 deg. throughout this range of dry-bulb temperatures or, to be more exact, the differential increases only 10 per cent for a range of practically 25 deg.

American Society of Heating and Ventilating Engineers Guide, 1930 .

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

American Society of Heating and Ventilating Engineers Guide, 1930 14.