"18th Century Octagonal Brass Sundial, Signed “johan Schrettegger, Augsburg”."
An exceptional 18th-century octagonal brass sundial, signed "Johan Schrettegger, Augsburg," featuring a blued steel pointer, a folding latitude arc engraved from 10° to 90°, and an engraved equinoctial hour ring with a folding gnomon. This exquisite instrument testifies to the precision and expertise of Augsburg's scientific instrument makers, renowned throughout Europe during the Age of Enlightenment for the accuracy and elegance of their creations. Compact and remarkably well-preserved, this sundial combines scientific functionality with decorative refinement. Dimensions: 5 × 5 × 1 cm.