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2019-11-06 14:54:38
[Diamond cutting and trade in Spain].
[Manuscript treatise on the art of choosing, preparing and shaping diamonds in the 17th century in Spain].
N.d. [c.1700]. [Spain]. 4to. 78 ff.; manuscript written in a neat hand within a double-rule border, possibly a presentation copy, enclosed in a double-rule ink border, with numerous tables and diagrams in ink (including one folding). Contemporary mottled calf, spine gilt in compartments with raised bands; edges somewhat rubbed and joints worn but otherwise a good copy. Excellent condition.- Extremely rare manuscript, no other copies of this treatise have been found; the work provides a technical description of the diamond – which the author notes is ‘la Joia mas subperior en las Piedras, y como tal tiene el primer lugar por su mucha hermosura, gran fortaleza, i yncorruptivilidad’ – and the various methods to work such stones into beautiful gems in keeping with their qualities. Embellished with numerous diagrams, plans and tables, a book with this amount of technical detail was probably a well trade kept secret and treasured trove of information for a family of jewellers, which would explain why it never made it to the printing presses. This singular eighteenth-century manuscript is a copy of an otherwise unknown seventeenth-century treatise on diamonds: the author remains unknown but refers to Philip IV of Spain (r. 1621–1665) as his master and displays a detailed knowledge of the diamond trade at this time. It includes (on f. 2) a description of the famous and now lost diamond, known as ‘El Estanque’ (named ‘The Pond’ for its size and clarity), which, as the author notes, was then the largest and most perf … [Click Below for Full Description]
Bookseller: HS Rare Books [Argentina]

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