ASTROLABE SCIENTIFIC ASTRONOMICAL INSTRUMENT - HIGH QUALITY - NEW IN BOX.

Astrolabe astronomical instrument – very high quality heavy what seems to be brass construction.  Diameter approximately 4” (10 cm).  Weight approximately 1 lb. 12 oz (0.8 kg).  Brand new in box with wood display stand and two instruction manuals – one in English and Spanish and one in Italian and French.  Manufactured in Madrid Spain by the company Hemisferium Instrumentos Cientificos Antiguos S.I. An astrolabe is an ancient astronomical instrument that was a handheld model of the universe. Its various functions also make it an elaborate inclinometer and an analog calculation device capable of working out several kinds of problems in astronomy. Historically used by astronomers, it is able to measure the altitude of a celestial body, day or night; it can be used to identify stars or planets, to determine local latitude given local time (and vice versa), to survey, or to triangulate. The is a great collectible. New in the box.