100 



EXPERIMIONTS IN AERODYNAMICS. 



Measurement of wind pressure on normal planes by means of the Rolling Carnage. 



October 24, 1888. 



PRESSURE ON ONE-FOOT SQUARE PLANE (929 square centimeters^ 



Barometer, 735 mm. ; mean temperature, 10°.0 C. ; wind velocity, 2.8 meters per second. 



PRESSURE ON SIX-INCH SQUARE PLANE (232 square centimeters). 



