CONTENTS 



PAGE 



I. The wind tunnel of the Massachusetts Institute of Technology. By 



J. C. Hunsaker i 



II. Notes on the dimensional theory of wind tunnel experiments. By 



E. Buckingham 15 



III. The Pitot tube and the inclined manometer. By J. C. Hunsaker... 27 



IV. Adjustment of velocity gradient across a section of the wind 



tunnel. By H. E. Rossell and D. W. Douglas :s7 



V. Characteristic curves for wing section, R. A. F. 6. By H. E. Rossell, 



C. L. Brand, and D. W. Douglas 39 



VI. Stability of steering of a dirigible. By J. C. Hunsaker 41 



VII. Pitching and yawing moments on model of Curtiss aeroplane chassis 

 and fuselage, complete with tail and rudder, but without wings, 



struts, or propeller. By J. C. Hunsaker and D. W. Douglas 47 



VIII. Swept back wings. By H. E. Rossell and C. L. Brand 55 



IX. Experiments on a dihedral angle wing. By J. C. Hunsaker and 



D. W. Douglas 74 



X. Critical speeds for flat disks in a normal wind. By J. C. Hunsaker ; 



with prefatory note by E. B. Wilson 77 



