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Pocket compass
Orient the compass north and let the shadow tell your solar time
Based on British Reinassence instruments
there is a nocturnal
Stereoscope Reproduction Antique Pocket compassExperience 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
US$ 14.00
US$ 80.00
US$ 14.00