hesham ACCESS: USAP Senior Member Joined 26 May 2006 Messages 33,482 Reaction score 13,530 4 November 2016 #1 Hi, here is a Herbert Hayden bat-wing airplane patent,he was from Austria. http://www.avia-it.com/act/biblioteca/periodici/PDF%20Riviste/Ala%20d'Italia/L'ALA%20D'ITALIA%201925%20012.pdf Attachments 1.png 647.2 KB · Views: 119
Hi, here is a Herbert Hayden bat-wing airplane patent,he was from Austria. http://www.avia-it.com/act/biblioteca/periodici/PDF%20Riviste/Ala%20d'Italia/L'ALA%20D'ITALIA%201925%20012.pdf
hesham ACCESS: USAP Senior Member Joined 26 May 2006 Messages 33,482 Reaction score 13,530 16 March 2017 #2 Hi, also a glider to Hayden,very similar ?. http://gallica.bnf.fr/ark:/12148/bpt6k97675232.r=document%20aeronautique?rk=21459;2 Attachments 2.png 433.9 KB · Views: 65
Hi, also a glider to Hayden,very similar ?. http://gallica.bnf.fr/ark:/12148/bpt6k97675232.r=document%20aeronautique?rk=21459;2
