Italian Brass And Steel Equinoctial Ring, Circa 1750
Equinoctial ring made of brass and steel, consisting of two articulated
circles and a central bridge with a movable slider, equipped with an adjustable
throne surmounted by a ring.
The outer meridian circle, graduated from 0 to90°, allows the latitude to be adjusted by sliding, while the has a double hour graduation (I to XII) and a 1–24 scale on a sliding blade.
The central bridge, openworked to allow the passage of sunlight, is engraved with a calendar scale (months in Italian) and a zodiac scale.
Dimensions: diameter of 8,8 cm; total height of 12,3 cm; ring thickness of 0,38 cm.
Italy made circa 1750.
The outer meridian circle, graduated from 0 to90°, allows the latitude to be adjusted by sliding, while the has a double hour graduation (I to XII) and a 1–24 scale on a sliding blade.
The central bridge, openworked to allow the passage of sunlight, is engraved with a calendar scale (months in Italian) and a zodiac scale.
Dimensions: diameter of 8,8 cm; total height of 12,3 cm; ring thickness of 0,38 cm.
Italy made circa 1750.
2 200 €
Period: 18th century
Style: Other Style
Condition: Good condition
Material: Brass
Diameter: 8,8 cm
Height: 12,3 cm
Reference (ID): 1740027
Availability: In stock
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