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Scientific American 1893-02-04

ScientificAmerican1893-02-04.jpg Scientific American 1892-01-30ThumbnailsScientific American 1894-07-28Scientific American 1892-01-30ThumbnailsScientific American 1894-07-28Scientific American 1892-01-30ThumbnailsScientific American 1894-07-28Scientific American 1892-01-30ThumbnailsScientific American 1894-07-28Scientific American 1892-01-30ThumbnailsScientific American 1894-07-28

The Marble Cave of Missouri.



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

Restoration by: magscanner