Concave Black Marble Disc, for Lens Polishing?, c. 1700? | |||||||||||
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| Object is on display. | |||||||||||
| 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: |
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Permalink: http://www.mhs.ox.ac.uk/object/inv/14260