Scientific American 1904-03-05.jpg Scientific American 1903-05-02ThumbnailsScientific American 1903-05-02ThumbnailsScientific American 1903-05-02ThumbnailsScientific American 1903-05-02ThumbnailsScientific American 1903-05-02Thumbnails
Portrait of Samuel P. Langley, after a painting by Robert Gordon Hardie.



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

Restoration by: magscanner