Lot 512

An equatorial sundial in original leather case by Johann Georg Vogler (c. 1720-1765), Augsburg, Germany. Silver and gilt brass, octagonal plate. The geographic latitude of the observation point is set to the quarter-circle on the side, on the backside of the ground-plate are engraved the geographical declinations from several European towns -6 x 6 cm, some signs of wear- A rare and interesting sundial.