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Scientific American 1929-02

Scientific American 1929-02.jpg Scientific American 1928-11ThumbnailsScientific American 1929-06Scientific American 1928-11ThumbnailsScientific American 1929-06Scientific American 1928-11ThumbnailsScientific American 1929-06Scientific American 1928-11ThumbnailsScientific American 1929-06Scientific American 1928-11ThumbnailsScientific American 1929-06

Box bridge over a high canyon with river flowing down in the bottom. Content: "The Hunt for the Hub of the Universe," "Chemicals Waken Sleeping Plants," and "Investing in Aviation."



Artist: Howard V. Brown

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

Restoration by: magscanner