The tandem circular wing design of Claude Givaudan [France, 1909] by Kees Kort Collection (via http://flic.kr/p/ELw2KB )
The tandem circular wing design of Claude Givaudan [France, 1909] by Kees Kort Collection (via http://flic.kr/p/ELw2KB )
The tandem circular wing design of Claude Givaudan [France, 1909] by Kees Kort Collection (via http://flic.kr/p/ELw2KB )