JF Ptak Science Books Quick Post
This terrific proposal for a miniature, semi-individual monorail appeared in Popular Science Monthly for April 1935:
And the text, which makes you wonder why something like this would be necessary, at least for the version of the vehicle in the interior pages. The cover version at least accommodates eight passengers, perhaps, though there’s an awful lot of metal around them. The interior version packs four in its bubbly self, and given the amount of effort that would go into powering and building the vehicle to move around a restricted number of people–though perhaps you can say the same about cars, and then some.

