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Scientific American 1899-07-01

ScientificAmerican1899-07-01.jpg Scientific American 1899-02-18ThumbnailsScientific American 1929-08Scientific American 1899-02-18ThumbnailsScientific American 1929-08Scientific American 1899-02-18ThumbnailsScientific American 1929-08Scientific American 1899-02-18ThumbnailsScientific American 1929-08Scientific American 1899-02-18ThumbnailsScientific American 1929-08

Typical perpetual motion fraud. Motor as it looked to the public. X-Ray photograph of the concealed clockwork.



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

Restoration by: magscanner