1926 Maine Mobile propeller car.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...e_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net/maine_mobile.jpg
Previously:
https://www.homemadetools.net/forum/...604#post132622
https://www.homemadetools.net/forum/...098#post180125
https://www.homemadetools.net/forum/...979#post187321
