A BRASS EQUINOCTIAL RING DIAL, ENGLISH, LATE 18TH CENTURY
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A BRASS EQUINOCTIAL RING DIAL, ENGLISH, LATE 18TH CENTURY

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A BRASS EQUINOCTIAL RING DIAL
ENGLISH, LATE 18TH CENTURY
Engraved chapter ring with hours I-XII-I-XII divided to 5 minutes, equinoctial ring with degree scale 90-0-80° and declination scale to reverse, the bridge with sliding pinhole gnomon on calendrical and zodiac scales
8 in. (20 cm.) diameter

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Time, Location
07 Dec 2018
UK, London
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[ translate ]

A BRASS EQUINOCTIAL RING DIAL
ENGLISH, LATE 18TH CENTURY
Engraved chapter ring with hours I-XII-I-XII divided to 5 minutes, equinoctial ring with degree scale 90-0-80° and declination scale to reverse, the bridge with sliding pinhole gnomon on calendrical and zodiac scales
8 in. (20 cm.) diameter

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Time, Location
07 Dec 2018
UK, London
Auction House
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