ScientificAmerican1913-11-01.jpg Scientific American 1913-10-25ThumbnailsScientific American 1913-11-08Scientific American 1913-10-25ThumbnailsScientific American 1913-11-08Scientific American 1913-10-25ThumbnailsScientific American 1913-11-08Scientific American 1913-10-25ThumbnailsScientific American 1913-11-08Scientific American 1913-10-25ThumbnailsScientific American 1913-11-08

The ten greatest inventions of our time. Prize essay contest. Man constructing a model biplane, while outside his window a newer monoplane flies up into the sky above the city.



Artist: Edwin H. Bayha

Source: Steve Kirch, creator of a wonderful website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner