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Record Details

Concave Black Marble Disc, for Lens Polishing?, c. 1700?

preview image for Concave Black Marble Disc, for Lens Polishing?, c. 1700?
Inventory Number: 14260
Object Type:
Accession Number: 1925-43
Brief Description: Octagonal, concave black marble disk, possibly c.1700, thought to be used for polishing lenses according to the method described by Zahn, 'Oculus artificialis: Telescopii practico-mechanici Fabrica', 1686 (p.9).
Primary Inscriptions:
Provenance: Lent by Christ Church, Oxford in 1925.
Collection Group: Orrery Collection
Dimensions:
Height Width Depth Diameter Unit
315 mm

Narratives

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