ScientificAmerican1882-01-07.jpg Scientific American 1881-04-30ThumbnailsScientific American 1894-01-13Scientific American 1881-04-30ThumbnailsScientific American 1894-01-13Scientific American 1881-04-30ThumbnailsScientific American 1894-01-13Scientific American 1881-04-30ThumbnailsScientific American 1894-01-13Scientific American 1881-04-30ThumbnailsScientific American 1894-01-13
Engraving precious stones.



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

Restoration by: magscanner