English Brass Universal Equinoctial Ring Dial, 18th/19th century, meridian ring divided 0-90-0 on one side with 0-90 declination scale on the other, sliding bridge and suspension loop with tightening screw, equinoctial ring divided I-XII-I, bridge with sliding pinhole and Zodiacal calendar scale, dia. 5 1/4 in.
English Brass Universal Equinoctial Ring Dial, 18th/19th century, meridian ring divided 0-90-0 on one side with 0-90 declination scale on the other, sliding bridge and suspension loop with tightening screw, equinoctial ring divided I-XII-I, bridge with sliding pinhole and Zodiacal calendar scale, dia. 5 1/4 in.
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
