Equatorial sundial with compass Brass, gold-plated and silver-coloured metal, engraved. Octagonal body with recessed compass, surrounded by engraved floral decoration. Verso compass box with engraved pole indications for over 15 cities, from Gdansk to Paris. Signed "J. G. Vogler", (around 1720 - 1765). Hinged hour ring and graduated arch. D. 7.5 cm. Cf. Dirk Syndram, Wissenschaftliche Instrumente und Sonnenuhren, no. 84, p. 167. Provenance: Dissolution of an important German private collection - Part II. A German brass pocket sundial by Johann Georg Vogler (1720 - 1765). Signed. Augsburg. 18th cent.