Details
An early 18th-Century brass universal equinoctial ring dial,
signed Harris No. 47 Holborn, the meridian ring with sliding suspension, engraved on one side with two quadrants, the other with declination scale, the pivoted equinoctial ring with twice I-XII hour scales, the inner edge engraved with divisions of 15 and 5 minutes of time, the bridge with sliding pin-hole sight engraved with zodiac and calendar scales -- 6in. (15.2cm.) diameter
signed Harris No. 47 Holborn, the meridian ring with sliding suspension, engraved on one side with two quadrants, the other with declination scale, the pivoted equinoctial ring with twice I-XII hour scales, the inner edge engraved with divisions of 15 and 5 minutes of time, the bridge with sliding pin-hole sight engraved with zodiac and calendar scales -- 6in. (15.2cm.) diameter