Hexagonal silver and brass equinoctial dial, signed “Johann - Lot 29

Lot n° 29
Go to lot
Estimation :
3000 - 3500 EUR
Hexagonal silver and brass equinoctial dial, signed “Johann - Lot 29
Hexagonal silver and brass equinoctial dial, signed “Johann Willebrand in Auspurg,” with its case, circa 1700. Octagonal plate incorporating a four-point compass with a removable base graduated into four quadrants of degrees for adjusting to magnetic declination; steel needle. The rim of the plate is engraved with sixteen directions and features the equinoctial ring engraved with the hours 3–12–9, along with its gnomon, the arc for latitudes, and the perpendicular for leveling the instrument. Sharkskin case (some wear) lined with velvet (worn), with a silver plate in the lid engraved with the names and latitudes of seventy cities in Europe. Dial diameter: 6.6 cm. Case: 7.8 x 6.8 x 2 cm. Expert: Anthony TURNER
My orders
Sale information
Sales conditions
Return to catalogue