Johan SCHRETTEGGER (1764-1843). Equinoctial sundial in engraved brass with an octagonal plate decorated with a plant frieze. Central compass and compass rose in the center, folding graduated measuring ring. Signed on the back "Johan Schretegger Augsburg". Height : 5,7 5,7 - Diameter : 5,3 cm Antique box (used condition) and an antique sheet (damaged) giving the names of different cities and their coordinates from Aachen to Zwickau.

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