~LATE 18TH CENTURY AUGSBURG PATTERN EQUINOCTIAL COMPASS/SUNDIAL-GRASSL~

~LATE 18TH CENTURY AUGSBURG PATTERN EQUINOCTIAL COMPASS/SUNDIAL-GRASSL~

900 Euros ( $1000 USD)

A fine, late 18th century Augsburg pattern equinoctial compass sundial by L. Grassl ( German sZ)

Dimensions

6 x 5.5. x 1.5 cm. deep

Circa

1770

Maker

L. Grassl

Country of manufacture

Germany

Categories: Navigational instruments, Surveying Instruments & Mining, Portable Sundials, Engineering antiques, Office Antiques

Description

A fine late 18th century equinoctial compass sundial by Lorenz Grasl in the Augsburg pattern with silvered compass and latitude plate. Constructed primarily of chiselled brass, the front plate has a foliate design, folding latitude arc graduated 0 – 90 degrees, folding and hinged sundial/hour ring (III a.m. – IX p.m.) with flip up gnomen, blued compass needle (nicely hand chiselled brass pivot point) with early latinized cardinal points on a silvered background. Original glass intact. The reverse of the compass box with the inscription “Elev. Poli Amsterdam Bozen 46 Wien=Ron, L. Gra(sz)l.” with a wheat ear border on  silvered, plated brass. Measures 6 x 5.5 x 1.5 cm. Not a screw or pin missing and minimal wear to all surfaces. No case.

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CA ScientificaOpticae

Scientifica Opticae

Mark Hacking (Scientifica Opticae Inc.) has been an avid collector/dealer for over 30 years. A former Science teacher, he has an innate love for anything natural or mechanical. Specializing in optical (microscopes, telescopes), surveying, medical, weighing and drawing instruments, he is an active participant of the Scientific Instrument Fair in London. Living in Stratford, Ontario, Canada, with his wife and two children; Mark looks forward to meeting as many fellow collectors as possible, and has a worldwide following on eBay (Sciopti).

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