MFR135758 Universal Equinoctian Standing Ring Dial, probably made by Thomas Heath, c.1730 (brass) by English School, (18th century); height: 36 cm; Private Collection; (add.info.: quadrantal degree scale and an equation of time table enclose a silver compass with a double degree scale and two spirit bubble levels; inner ring is the equinoctial which is engraved with a 24 hour scale and list of latitudes for a further 24 European towns; the bridge carries calendar and zodiac scales for the Julian calendar with sliding double pinhole sights;); English, out of copyright.