Movement of Water in a Robinia. 



205 



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Q 

 & 



H 



s 



t— I 

 O 

 P3 





no 



a 



Temp, and Humidity 

 taken at 11 a.m. and 

 3 and 7 p.m. 



H 2 in the tube. 



Raining. 



Clear, damp. warm. 



Light clouds. 



Clear. 



H2 replaced. 



[The scale is in deci- 

 meters.] 





Mean 



Daily 



Rel.Hum. 



65.7% 



88.20 

 61.20 





Mean 

 Daily 

 Temp. 



71.22° 



70.07 

 71.62 







55% 

 49.0 



70.0 



88.0 

 77.0 



93.0 

 58.0 





ft 



a 



a? 

 H 



73.9° 

 77.1 



72.9 

 73.0 



77.0 



72.5 

 75.3 





Lbs. 

 per sq. in. 

 pressure. 



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