Cordys

An 18thC brass 6-inch universal equinoctial ring dial [sundial]

Estimate: $1,000 - $2,000


Lot Description

An 18thC brass 6-inch universal equinoctial ring dial [sundial], circa 1790, unnamed, two concentric brass rings folding flat, the chapter ring with hours I-XII-I-XII divided to 1 minutes, equinoctial ring with degree scale in quadrants, declination scale to reverse, bridge with sliding pinhole gnomon on calendrical and zodiacal scales. Rotating outer ring with suspension block. Provenance: The H.N.E Sheppard Estate Collection.