Lot 258 of 426:
Camera obscura in mahogany  

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Lot closed - Sold For (Includes Buyers Premium):$120
$200 - $300

Classic Sliding Camera Obscura

Cookson, Les

No place

Ancient Magic Art Tools

no date


Mahogany camera obscura. 32.5x20x14 cm (12¾x8x5½").

Go into a dark room on a sunny day and poke a small hole in the wall, and you will see a hazy up-side-down image of the outside world projected on the opposite wall. The basic principle has been recorded as far back as 500 BC by great thinkers from Aristotle to Leonardo Da Vinci, and some even suggest that this was the means by which some of the ancient cave drawings were made. Take that same dark room and make the hole bigger and add a lens with the right diameter and focal length. Now you will get a larger bright clear image of the outside world. This lens innovation was made in the 1500’s and by the 1600’s the “room” was shrunk down to the size of a portable box, like the Classic Sliding Camera Obscura sold here, which works the same way; only it projects the right-side-up image onto a piece of ground glass on the outside of the camera obscura.

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