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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
- Created on
- Monday 9 November 2009
- Posted on
- Monday 9 November 2009
- Tags
- magic lantern, presentation, show, slides
- Visits
- 1237