68
CHABLES GRIFFIN & CO.’S PUBLICA TIONS,
Just Out. In Large 4to, Library Style. BeautifuHy Illustrated with 20
Plates, many in Colours, and 9£ Figures in the Text. £2, 2g. net.
PRECIOUS STONES:
Their Properties, Occurrences, and Uses.
A Treatise for Dealers, Manufacta rers, Jewellers, and for all
Collectors and others interested in Gems.
By Dr. MAX BAUER,
Professor in the University of Marburg,
Translated BY L. J. SPENCER, M.A. (Cantab.), F.G.S.
General Contents.—General Properties of Genis: Their Natural Characters,
Occurrence, Application, and Uses.—Detailed Description of Particular Genis: The
Diamond, Lubies, Sapphires ; Emeralds, Tourmalines, and Opals ; Felspars, Amphiboles,
Malachite.—Non-mineral Gems: Amber, &c.— Optical Features, Transparency, Trans-
lucency, Opacity, Refraction and Dispersion, &c.—Appendix : Pearls; Coral.
In Large Crown 8vo. With Numerous Illustrations. 8s. 6d.
The Art of the Goldsmith and Jeweller
A Manual on the Manipulation of Gold and the Manu-
facture of Personal Ornaments.
By THOS. B. WIGLEY,
Headmaster of the Jewellers and Silversmiths’ Association Technical
School, Birmingham.
ASSISTED BY
J. H. STANSBIE, B.Sc. (Lond.), F.I.O.,
Lecturer at the Birmingham Municipal Technical School.
General Contents.—Introduction.—The Ancient Goldsmith’s Art. — Metallurgy of
Gold.—Prices, &c.—Alloys. Melting, Rolling, and Slitting Gold.—The workshop and
Tools.—Wire Drawing. — Rings. — ( hains and Insignia. —Antique Jewellery and its
Revival. —Etruscan Work.—Precious Stones. —Cutting. — Polishing and Finishing.—
Chasing, Embossing, and Repoussé Work.—Colouring and Finishing. — Enamelling.—
Engraving.—Moulding and Casting Ornaments, Ac.— Fluxes. &c. — Recovery of the
Precious Metals. — Reflning and Assaying. — Gilding and Electro Déposition. — Hall-
Marking.—Miscellaneous.—Appendix.
LONDON: CHARLES GRIFFIN & CO., LIMITED. EXETER STREET, STRAND.