Bidspirit auction | Engraving of an Armillary Sphere

Engraving of an Armillary Sphere with Geometric Diagram on Verso - A finely detailed engraving similar to the armillar sphere by the renowned Italian scholar Girolamo Ruscelli, from his seminal work Espositioni et Introductions Universali. The engraving showcases the sophisticated celestial model, a key instrument in 16th-century astronomical studies. On the verso, an intriguing geometric diagram is present, depicting an architectural design or structure. The creator and exact date of this diagram remain unidentified. Impression of prints are strong but parts of the page are missing. Size of sheet: 20cm (height) x 190cm (width), 7.87 inch x 7.48 inch.