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An Augsburg equitorial sundial - image-1

An Augsburg equitorial sundial

Engraved brass, glazing, blued steel. Of square section with a central compass and cartouche-form dial. Engraved on the base "Lorenz Grasl Augspur". 8 x 8.3 cm, weight 132 g.
Lorenz Grassl or Grasl, 2nd half 18th C.

Literature

An octagonal sundial by Grassl housed in The British Museum London, mus. no. 1888,1201.310.
For more on Grassl see Zinner, Astronomische Instrumente des 11. bis 18. Jahrhunderts, Munich 2/1967, p. 325 f., therein also further comparable works, for example in the Maximilianmuseum Augsburg.

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Lot 1737 Dα

An Augsburg equitorial sundial

Literature