ON THE INVESTIGATION OP THE UPPER ATMOSPHERE, 



29 



Results obtained from Ascents of Registering Balloons in Ireland. 



Notes 



B. The heights above 8 km. are rather doubtful, as the original calibration marks relating to the 



pressure are uncertain, and the instrument was returned badly damaged. 

 0. Wind E.N.B., light. Faint cirrus. 

 D. Wind N.B., force 3. Cumulus, no high clouds. A rather different type of instrument was 



used, and the double record may be in part due to lag. 

 B. Calm, cloudy, cirrus moving slowlv from W. 

 ■» Direction 0° = N, 90° = E 



