ON THREE BALLOON ASCENTS IN 1865 AND 1866. 



38a 



§ 4. Adopted Temperatures of the Air, the Wet-bitlb, and the Dew- 

 point IN Three Balloon Ascents. 



Table II. a. — Showing the adopted Reading of the Barometer, calculated 

 Height above the Sea, Temperature of the Air, Temperature of the Wet- 

 bulb Thermometer, and Temperatiu'e of the Dew-point, in the 



