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This Instrument was conceived to address the need to predict the time of tidal changes
Specially developed by Hemisferium with classic Renaissance design
Scale significantly reduced (very complex instrument in this size could be used to learned its parts and basis of use
Stars and other features updated to make it functional
Beringer's Quadrant Reproduction Antique This Instrument was conceived toThis beautiful portable cube sundial is based on the work of 18th century scientist David Beringer of Nuremberg Germany. This model is a reproduction of a mobile cubic quadrant that dates back to 1736. It is made up of an articulated arm, which allows us to incline the cube in a North South direction, and a plumb line on the eastern side that moves along a graduated scale and can be used to adapt the instrument to the latitude of the measure. Classic