Naked-Eye Astronomical Instruments of the 18th Century


Wed, Sep 15th, 2010 12:00 by capnasty NEWS

Self-proclaimed mathematical tourist Ivars Peterson, Director of Publications and Communications at the Mathematical Association of America, visited one of the largest sundials in the world: the Jantar Mantar. Located in Jaipur, India, it was constructed out of masonry, marble, and bronze between 1727 and 1734. The dozen or so instruments that constitute the collection were used for making remarkably precise determinations of astronomical position without the aid of telescopes.



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