ScientificAmerican1903-08-08.jpg Scientific American 1899-11-04ThumbnailsScientific American 1904-02-06Scientific American 1899-11-04ThumbnailsScientific American 1904-02-06Scientific American 1899-11-04ThumbnailsScientific American 1904-02-06Scientific American 1899-11-04ThumbnailsScientific American 1904-02-06Scientific American 1899-11-04ThumbnailsScientific American 1904-02-06
Photograph of William Crookes. Crookes Tube.



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

Restoration by: magscanner