1948 Beecraft Wee Bee. Billed as the world's smallest plane at the time.
https://s3-us-west-1.amazonaws.com/h...t_wee_bee1.jpg
https://s3-us-west-1.amazonaws.com/h...t_wee_bee2.jpg
More: https://en.wikipedia.org/wiki/Beecraft_Wee_Bee
Previously:
https://www.homemadetools.net/forum/...269#post142019
https://www.homemadetools.net/forum/...1532#post74610