Hanging Astronomic Ring Dial sextant Legend has it that the

Legend has it that the Nocturnal Astrolabe was invented by Raimund Lill to administer doses of medicine to patients during the night

This Instrument was conceived to address the need to predict the time of tidal changes

Wonderfully fashioned a brass with lace-work closure this compass may be worn around the neck or attached pocket piece

16th century

Also available in desk model

Hanging Astronomic Ring Dial sextant Legend has it that theMiniature astronomical ring dial. Height sundial. 17th and 18th century. Also known as the Universal Equinoctial Ring Sundial, this instrument is used to determine Solar time. The ring dial, the armillary, or dials indicate the principal circles of the heavenly sphere: the meridian, the equator, and the solstice meridian. This beautiful miniature replica is fashioned of brass and hung on a cord. Also available in miniature and larger desk models