Nautical Astrolabe Quadrant Fashioned of brass with wooden

Fashioned of brass with wooden base with cotton plumb line with brass pearl

The astrolabe is an astronomical calculating device used from ancient times into the eighteenth century

astrologers

The interior of the lid is decorated with a compass rose and the top of the lid is decorated with a marine scene

This beautiful instrument is fashioned of brass and comes complete with wooden base and booklets explaining method of use and historical context

Nautical Astrolabe Quadrant Fashioned of brass with woodenNautical astrolabe (used to find latitude measuring Sun and stars height). Called "Valence astrolabe", 16th century. Original on Greenwich National Maritime Museum and copy on Museo Naval de Madrid. The nautical astrolabe is simplified to measure the altitude of the stars for purposes of navigation. It's heavier construction from those used on land was to compensate for the movement of the vessel at sea. This beautiful instrument is made of brass and