Mount Hood Skiway sky bus.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...1_fullsize.jpg
Fullsize image: https://s3-us-west-1.amazonaws.com/h...t_fullsize.jpg
More:
https://www.ohs.org/blog/most-extrao...-of-busses.cfm
Previously:
Steam cog locomotive - GIF
Adams funicular train - photo
Double-decker bus tilt test in 1933 - photo
School bus converted to a rolling store - photo
Testing buses in the UK in the 1950s - video
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