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Regale
Operations instruments and practitioners · A Chymical Dictionary
At a Glance
The word. A cement used in the purification of gold.
In the book. Compare Quartatio, an assay described at greater length, and Regulus, the pure metallic part after separation of dregs.
A place to read. The historical definition below, 1650 dictionary, unnumbered definition page 40; facsimile PDF page 368.
Historical Definition
Regale is a cement by which gold is purified.
Meaning
Cement names a material employed in a refining operation. The definition concerns its function toward gold, rather than a building material or an adhesive. No composition is specified here.
Use in the Book
Compare Quartatio, an assay described at greater length, and Regulus, the pure metallic part after separation of dregs. Their shared concern with purity does not make the processes interchangeable.
Places to Read
Quartatio. A gold assay described through the separation of silver from gold.
Regulus. The purified metallic or mineral portion after separation.
Historical source: 1650 dictionary, unnumbered definition page 40; facsimile PDF page 368 — Facsimile
Sources. A Chymicall Dictionary (1650), s.v. Regale; 1650 facsimile PDF p. 368; compare Quartatio, Regulus