ScientificAmerican1902-01-18.jpg Scientific American 1902-01-11ThumbnailsScientific American 1902-01-25Scientific American 1902-01-11ThumbnailsScientific American 1902-01-25Scientific American 1902-01-11ThumbnailsScientific American 1902-01-25Scientific American 1902-01-11ThumbnailsScientific American 1902-01-25Scientific American 1902-01-11ThumbnailsScientific American 1902-01-25

Comparison of the Panama and Nicaragua canal routes.



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

Restoration by: magscanner