Johann Nepomuk Schrettegger equinoctial sundial (1764-1843) - Augsburg circa 1790 Equinoctial type sundial, hexagonal in engraved and gilt brass Complete Original Signature of "Johan Schrettegger In Augburg" Famous dial maker that supplied all of Europe. In perfect condition With its glass, hand, arm Diameter 5 cm Tracked shipping Johann Nepomuk Schretteger was born in Reichertshofen in 1764. In 1797 he married the daughter of Andreas Vogler, a famous maker of sundials in Augsburg. Schretteger was the last of the Augsburg counters and solar clocks; in addition to many octagonal sundials, he created several others in square form. Today, many of its dials can be seen in European museums in Budapest, Copenhagen, London, Stockholm; others are in Moscow and New York. Schretteger died in Augsburg in 1843. Source: “Deutsche und niederlaendische astronomische Instrumente des 11-18. Jahrhunderts "par Ernst Zinner, Munich 1956, p. 530