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Camera obscura: a mid 1800’s artificial optical eye by Loiseau a Paris.
A turned ebonized wood and lacquered brass, artificial eye with an extendable eye-piece. Adjustable convex and concave lenses for correction of myopia and hyperopia.
A few scratches but otherwise in good condition for its age, look at the pictures
max height about 29 cm, diameter of the base 13,5 cm
The print in the background is an illustrative photocopy.