THE COMPONENT PRESSUKE RECORDER. 



71 



TABLE XV— SECOND SERIES. 



NovEMBEE 25, 1890. — F. W. Very, Conductor of experiments. 



Barometer, 730 mm. ; temperature, 10°.0 C. ; wind velocity, 2.4 meters per second. 



Description of planes. 



24 X 6 in. (24 in. side 



horizontal). 

 Weight, 500 grammes. 



o 



o 



c 



< 



45'= 

 50 



5 



5 



3 

 30 

 10 



Attitude of plane. 



Soaring 



a 

 a 

 a 



Not quite soarini 

 Soaring 



a S . 



CD ^— ''"^ 



° 8 



'Hi 



> 



10.9 

 11.2 

 16.9 

 17.2 

 19.4 

 10.6 

 13.3 



a 



ft 



o 



^ 









o 



o C 





2.10 



2.50 



0.38 



1.10 

 0.21 



tD 



g 



3: 



907 

 1,070 



82 



499 

 91 



m H 



ft '^ 



w 



476 

 560 



43 



261 



48 



Remarks. 



Adopt 19.6 for soaring speed. 



Too small extension of spring 

 to give reliable pressure. 



November 26, 1890. — F. W. Very, Conductor of experiments. 

 Barometer, 736 mm. ; temperature, 0°.0 C. ; wind velocity, 0.3 meters per second. 



