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Professor Clark on 'The Feather Tracts of Swifts and Hummingbirds'

✍ Scribed by R. W. Shufeldt


Book ID
123900662
Publisher
University of California Press
Year
1906
Tongue
English
Weight
145 KB
Volume
23
Category
Article
ISSN
0004-8038

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πŸ“œ SIMILAR VOLUMES


Identification of pigments and gemstones
✍ Professor Robin J. H. Clark; Jaap van der Weerd πŸ“‚ Article πŸ“… 2004 πŸ› John Wiley and Sons 🌐 English βš– 946 KB

## Abstract Twelve gemstones set into the cover of an elaborately decorated leather‐bound manuscript, the Tours Gospel, β€˜Evangelia Quatuor’, held in the British Library (Add. MS. 11848), were identified by Raman microscopy to be composed of silica, amethyst, emerald (probable, 3), iron garnet (3) a