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Hi,
as Mr. Hodgdon did,Mr. George W. Hardin designed an airplane-dirigible concept
powered by two engines,also mention in this topic,but not related to it as I think;
http://www.secretprojects.co.uk/forum/index.php/topic,2504.60.html
https://books.google.com.eg/books?id=XygDAAAAMBAJ&pg=PA47&dq=joined-wing+aircraft&hl=ar&ei=xsYvTIqJENW6jAe3vJGXBg&sa=X&oi=book_result&ct=result&resnum=14&ved=0CGgQ6AEwDThk#v=onepage&q&f=false
https://www.google.com/patents/US1754211
as Mr. Hodgdon did,Mr. George W. Hardin designed an airplane-dirigible concept
powered by two engines,also mention in this topic,but not related to it as I think;
http://www.secretprojects.co.uk/forum/index.php/topic,2504.60.html
https://books.google.com.eg/books?id=XygDAAAAMBAJ&pg=PA47&dq=joined-wing+aircraft&hl=ar&ei=xsYvTIqJENW6jAe3vJGXBg&sa=X&oi=book_result&ct=result&resnum=14&ved=0CGgQ6AEwDThk#v=onepage&q&f=false
https://www.google.com/patents/US1754211
