Description

UNIVERSAL EQUINOCTIAL RING SUN DIAL NICOLAS  BION, PARIS, CIRCA 1700

A RARE EQUINOCTIAL RING

signed “N Bion A PARIS”, around 1700, made IN BRONZE composed of meridian and equatorial rings, latitude engraved with  European city names alternating with flower motifs. Rotary bridge with month scale and zodiacal dial decorated with engraved scroll patterns. Scale of latitudes with a scale of degrees numbered 0-90° reading to one degree. Time divisions engraved in Arabic characters (I-XII x 2) 

Beautiful instrument signed by Nicolas BION (1652-1733) King’s engineer for mathematical INSTRUMENTS

SIZE:9 CM DIAMETER