Smithsonian Report, 1930. — Ceorgii 



PLATE 7 



1. SCHWEINSBERG FLIGHT BY HlRTH ON THE SAILING AIRCRAFT "LORE." 



JULY. 1929 





MtSift /./to/. 



2. Heidelstein Flight by Nehring on the Sailing Aircraft 'Darm- 

 stadt." August. 1927. Course of Flight according toTrigonomet- 

 rical Measurement 



