In this optical instrument with a cone-shaped body, mounted on top of a central pillar with tripod legs that could be folded. The mirrors are so arran

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In this optical instrument with a cone-shaped body, mounted on top of a central pillar with tripod legs that could be folded. The mirrors are so arranged that the angle between them can be varied at pleasure, vintage line drawing or engraving illustration.

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Size: 4007px × 5000px
Photo credit: © Patrick Guenette / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: art, black, brewster, convex, drawing, engraved, engraving, illustration, kaleidoscope, lens, line, miscellaneous, optics, philosophical, polyangular, symmetrical, vector, vectors, vintage, white