ScientificAmerican1894-01-20.jpg Scientific American 1894-01-13ThumbnailsScientific American 1894-01-27Scientific American 1894-01-13ThumbnailsScientific American 1894-01-27Scientific American 1894-01-13ThumbnailsScientific American 1894-01-27Scientific American 1894-01-13ThumbnailsScientific American 1894-01-27Scientific American 1894-01-13ThumbnailsScientific American 1894-01-27

New optical lantern and electric lamp. Lantern with optical bench -- showing polariscope. Demonstration shown with travel and/or history photographs from lecture.



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

Restoration by: magscanner