92 



EXPERIMENTS IN AERODYNAMICS. 



Experiments to determine the position of the center of pressure on an inclined square plane. 



September 21, 1888. 



F. W. Very, Conducting experiments; Joseph Ludewig, Assisting. 



Barometer, 737.06 mm. ; temperature, 18° C. ; wind velocity, 0.006 meter per second ; length 

 of side of wind-plane, 12 inches (30.5 centimeters). 



