Alexander Graham Bell’s Oionos triplane, 1910
Alexander Graham Bell’s Oionos triplane, 1910 -- source link
Tumblr Blog : engineeringhistory.tumblr.com
#aeronautics#aircraft#engineering#mechanical engineering#history
Alexander Graham Bell’s Oionos triplane, 1910 -- source link
Tumblr Blog : engineeringhistory.tumblr.com