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Mechanical Equinoctial Dial, by Johann Willebrand, Augsburg, c. 1720

Inventory Number 57170

Acknowledgement: © History of Science Museum, University of Oxford, inv.57170

Subject
Sundials
Item type
Object
Provenance
From the collection of J. A. Billmeir.
Primary inscriptions
"Johann Willebrand, in Augspurg." on underside of compass box
Physical material
Gilt and silvered brass
Object type
Equinoctial dial
Dimensions
Height: 115mm Width: 93mm
Inventory No
57170
Accession Number
1957-84/104

Description

Octagonal base with inset compass; zodiac calendar scale; sprung folding plumb level; hinged hour ring springing to latitude set on scale 20-70°, with minute dial on rotating index. Four feet, two adjustable. In octagonal leather-covered, red velvet-lined case, with latitude disc in lid.

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