The camera obscura in the Outlook Tower at the top of the Royal Mile, next to the castle was established in the 1850's by the optician Maria Theresa Short and was originally known as Short's Observatory. The optics were replaced in 1947.
The camera obscura (Lat. dark chamber) was an optical device used in drawing, and one of the ancestral threads leading to the invention of photography. Photographic devices today are still known as "cameras".
Camera Obscura
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By kjfitz @ 2006-12-21 13:07:27