Lot Essay
A rare didactic instrument, probably intended for didactic use.
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VULLIAMY, EARLY 19TH CENTURY
Details
A MECHANICAL ARMILLARY SPHERE
VULLIAMY, EARLY 19TH CENTURY
the wooden base with crank handle signed VULLIAMY LONDON, the brass plate carrying a 3-inch armillary sphere with graduated equator, and colures, enrgaved tropics and ecliptic with zodiacal scale
6 x 8in. (15 x 20cm.)
VULLIAMY, EARLY 19TH CENTURY
the wooden base with crank handle signed VULLIAMY LONDON, the brass plate carrying a 3-inch armillary sphere with graduated equator, and colures, enrgaved tropics and ecliptic with zodiacal scale
6 x 8in. (15 x 20cm.)