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Orient the compass north and let the sun tell you solar time
It is fashioned of brass and comes complete with wooden stand and booklets explaining its use and historical context
Miniature of astronomical ring dial
The original is in the History of Science Museum in Florence
It is a sundial (the string will mark it with its shadow) with a compass for orienteering for correct measuring the solar time
Rojas' Astrolabe Compass Orient the compass north andThe astrolabe is an astronomical calculating device used from ancient times into the eighteenth century. Handcrafted in brass. Beautifully made working reproduction Rojas astrolabe. The astrolabe reached the peak of its popularity in the 16th century. The Spanish astronomer and mathematician Juan de Rojas presented to the European public the Orthographic Projection (1550). This projection was successfully applied in a new type of astrolabe that
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