ScientificAmerican1892-02-13.jpg Scientific American 1892-02-06ThumbnailsScientific American 1892-02-20Scientific American 1892-02-06ThumbnailsScientific American 1892-02-20Scientific American 1892-02-06ThumbnailsScientific American 1892-02-20Scientific American 1892-02-06ThumbnailsScientific American 1892-02-20Scientific American 1892-02-06ThumbnailsScientific American 1892-02-20

Dr. S. P. Langley's experiments in aerodynamics.



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

Restoration by: magscanner