Armstrong Whitworth AWP.22 concept airliner from the 1960s.
https://s3-us-west-1.amazonaws.com/h...2_fullsize.jpg
Previously:
https://www.homemadetools.net/forum/...427#post192808
https://www.homemadetools.net/forum/...266#post233860
https://www.homemadetools.net/forum/...111#post210883
https://www.homemadetools.net/forum/...473#post151107
https://www.homemadetools.net/forum/...458#post192932
