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GALERIE DELANDE, PARIS

Stand number: 151

The names of more than 100 world cities are engraved with their latitude on the meridian ring. To the base is a magnetic compass equipped with a pair of bubble levels while a bar, with declination scale, months of the year and the zodiac, bears a hole through which the sunlight can fall on the hour scale.

Thomas Heath was a leading London maker who trained notable apprentices, the last one being Tycho Wing whom he took into partnership in 1753.