A REGENCY ARMILLARY SPHERE
MADE IN LONDON, CIRCA 1800
The 12-inch brass armillary sphere composed of ecliptic engraved with scales for calendar and zodiac, equator 0-360° and I-XXIV, rings labelled for Arctic Circle, Tropic of Cancer, Tropic of Capricorn, Antarctic Circle, two colures each engraved 0-90°-90°, at north celestial pole two dials rotate brass arms carrying a brass solar sphere and ivory lunar sphere, at the southern pole two dials rotate the entire armillary and central Earth axis with hour pointer to circle engraved on the inside 1-12-1-12, the 3-inch terrestrial comprised of twelve hand-coloured gores and two calottes, cartouche A NEW Terrestrial GLOBE by J. Newton 1800, supported in brass meridian engraved 0-90°-90°, with adjustable horizon ring 0-90°-90° and 8-point compass rose, the stand with adjustment arc 0-90° on tapering column with folding tripod feet.
25in. (63.5cm.) high
A REGENCY ARMILLARY SPHERE
MADE IN LONDON, CIRCA 1800
The 12-inch brass armillary sphere composed of ecliptic engraved with scales for calendar and zodiac, equator 0-360° and I-XXIV, rings labelled for Arctic Circle, Tropic of Cancer, Tropic of Capricorn, Antarctic Circle, two colures each engraved 0-90°-90°, at north celestial pole two dials rotate brass arms carrying a brass solar sphere and ivory lunar sphere, at the southern pole two dials rotate the entire armillary and central Earth axis with hour pointer to circle engraved on the inside 1-12-1-12, the 3-inch terrestrial comprised of twelve hand-coloured gores and two calottes, cartouche A NEW Terrestrial GLOBE by J. Newton 1800, supported in brass meridian engraved 0-90°-90°, with adjustable horizon ring 0-90°-90° and 8-point compass rose, the stand with adjustment arc 0-90° on tapering column with folding tripod feet.
25in. (63.5cm.) high