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The astrolabe is an astronomical calculating device used from ancient times into the eighteenth century
Pocket compass
Diameter: 4
and the circle that is off-center represents the zodiac
and a miniature desk-top version
Stereoscope Reproduction Antique The astrolabe is an astronomicalExperience the roots of Virtual Reality with this beautiful conversation piece. The phenomena of binocular vision has been studied by the early scientists Euclides, Kepler, and Leonardo Da Vinci. But in 1838 Sir Charles Wheatstone addressed the Royal Society in London to present several pairs of line drawings with geometrical form which when viewed by an instrument very similar to this gave the impression of three dimensions. Our lovely stereoscope
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