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Scientific American 1891-03-28

ScientificAmerican1891-03-28.jpg Scientific American 1891-01-31ThumbnailsScientific American 1891-05-16Scientific American 1891-01-31ThumbnailsScientific American 1891-05-16Scientific American 1891-01-31ThumbnailsScientific American 1891-05-16Scientific American 1891-01-31ThumbnailsScientific American 1891-05-16Scientific American 1891-01-31ThumbnailsScientific American 1891-05-16

The Boynton unicycle and single-rail track railroad, for high speed traffic.



Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner