UNIVERSAL EQUINOCTIAL RING DIAL, DOLLOND, LONDON
LATE 18TH / EARLY 19TH CENTURY
£3,528
Auction: Day One: 16 November 2022 | From 10:00
Description
9-inch, in lacquered brass, signed under the degree scale 'Dolland, London', the pivoted inner chapter ring with hours I-XII-I-XII divided to 5 minutes, the outer equinoctial ring with degree scale 90-0-90° and declination scale to reverse, the pivoted bridge with sliding pinhole gnomon on calendrical and zodiac scales, the rim with sliding suspension loop
Dimensions
27cm high