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Description

Miniature Astrolabe Key RingMiniature of classic European astrolabe. Set for 41 lat. Scale significantly reduced (very complex instrument in this size could be used to learned its parts and basis of use. A real expert could play more). Astrolabes date from the time of Ptolemy and the name in Greek means "Star Searcher." It is a tool for astronomers, astrologers, and surveyors widely used until the 17th century. This beautifully crafted instrument of brass with brass key ring

cartography

The gimbal is also called a Cardan after the Italian mathematician who developed this method of leveling the instrument at sea in the 15th century

an open drum with slots at the top and an image strip placed at this bottom

Original on British Museum

The name astrolabe comes from the Greek word for star astro and the Greek word Labio meaning that which seeks

The wooden base is ideal for placement of a commemorative plaque in recognition of achievement or an event

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

The Nocturnal is a star clock used to obtain the time at night using fixed stars in the sky

Fashioned of brass with wood base and featuring a compass rose on the reverse

Sundial (equatorial universal dial)

local-hour quadrant of a type called a clinometer

Set for 50