SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 71, NUMBER 2 



A METHOD OF REACHING EXTREME 

 ALTITUDES 



(With 10 Plates) 



BY 



ROBERT H. GODDARD 



Clark College, Worcester, Mass. 



(Publication 2540) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



1919 



