A 9-INCH EQUINOCTIAL RING DIAL
Benjamin Cole, mid-18th century
signed B Cole LONDON, chapter ring with hours I-XII-I-XII divided to 2 minutes, equinoctial ring with degree scale 90-0-90° and declination scale to reverse, the bridge with sliding pinhole gnomon on calendrical and zodiac scales, housed in later wooden case.
10 x 10in. (25.5 x 25.5cm.) in case
A 9-INCH EQUINOCTIAL RING DIAL
Benjamin Cole, mid-18th century
signed B Cole LONDON, chapter ring with hours I-XII-I-XII divided to 2 minutes, equinoctial ring with degree scale 90-0-90° and declination scale to reverse, the bridge with sliding pinhole gnomon on calendrical and zodiac scales, housed in later wooden case.
10 x 10in. (25.5 x 25.5cm.) in case
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