There used to be a lot of these sort of things in the early days of aviation and automobiles…1890s-1930s. The magazine “Modern Mechanix and Invention Magazine”

There used to be a lot of these sort of things in the early days of aviation and automobiles…1890s-1930s. The magazine “Modern Mechanix and Invention Magazine” had some great covers with similar retro future schemes. Nineteen silly one-off ideas for every brilliant one is still great odds for a society, even if the death rate among experimental aviators was distressingly high. Let me also make a nod to “Everyday Mechanics” magazine in the 1910s for similar ideas…for kids. Build your own small gas engine by casting your own parts. Build a wireless torpedo. Build a radiotelephone. Build a fan-driven snowmobile…