Details
An 18th-Century brass universal equinoctial ring dial,
unsigned, the equinoctial ring divided I-XII (x2), the meridian ring divided on one side with a quadrant scale (x2), the other side with declination scale, the bridge with sliding pin hole sight, engraved on one side with a calendar scale, and the other 20-0-20 -- 6in. (15.2cm.) diameter
See Illustration
unsigned, the equinoctial ring divided I-XII (x2), the meridian ring divided on one side with a quadrant scale (x2), the other side with declination scale, the bridge with sliding pin hole sight, engraved on one side with a calendar scale, and the other 20-0-20 -- 6in. (15.2cm.) diameter
See Illustration