A GILT BRASS EQUINOCTIAL RING DIAL
A GILT BRASS EQUINOCTIAL RING DIAL

PROBABLY GERMAN LATE 17TH CENTURY

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A GILT BRASS EQUINOCTIAL RING DIAL
PROBABLY GERMAN LATE 17TH CENTURY
the instrument finely engraved with decorative motifs, one quadrant graduated 0-90°, chapter ring I-XII-I-XII marked for every half-hour, the bridge with sliding pinhole gnomon on calendrical and zodiac scales,
2in. (5cm.) diameter

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