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which means "one who seeks"
Hand crafted of brass and wood with green paint finish accented with a brass clasp and hinge
This instrument is based on the eastern astrolabe now in the collection of the Adler Planetarium in Chicago made by the the famous craftsman Diyal'al Din Muhammad in 1647
Made after two English originals of Gunter type quadrants of 18th-century
This reproduction of an early optical device employing the phenomenon of "Retinal Persistence" or Image Retention" is a fine piece for explaining how animated movies work
Perpetual Calendar Quadrant which means "one who seeks"This calendar starts on January 1st, 1600 and ends December 31st, 2799 it is based on the repeating cycle of 400 years and a solar cycle of 28 years. It works by means of the "Dominical Letter" This beautiful instrument is fashioned of brass and comes complete with wooden base and booklets explaining method of use and historical context. Diameter: 3. 54" Thickness: 0. 24"
US$ 145.58
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