Parquet Table Stereoscope With 49 Stereo Nudes Circa 1890

Very beautiful stereo viewer in varnished mahogany. Format: Height 45 cm x Length 22 cm x Width 22 cm Large eyepieces with adjustment by side button in blackened turned wood. Loading views on chain that can hold 50 6X13 views operated by two side buttons. Their rotation allows the change of view. Two hinged shutters on the top, one of which has a mirror which, depending on the orientation of the latter, allows the observation of views on paper. This viewer offers 49 6X13 stereo nude prints including 44 19th century prints and 5 20th century reprints. Relief photography is as old as "flat" photography (photography as it is widespread today). The invention of the relief image even predates that of photography, since in 1838, Wheatstone, a member of the Royal Society of London, invented a mirror device restoring relief (as a reminder, the official date of the The invention of photography dates back to 1839. Furthermore, the principle of obtaining an image in relief had already been established in Antiquity by Euclid and taken up by Leonardo da Vinci in 1484.
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