Jeffries, David (1750)
A | Treatise | On | Diamonds and Pearls. | In Which | Their Importance is considered: | And | Plain Rules are exhibited for ascertaining the | Value of both: | And The | True Method of manufacturing Diamonds | [rule] | By David Jeffries, | Jeweller. | [double rule] | London: | Printed by C. and J. Ackers, in St. John's-Street, | For the Author, 1750 | (Price One Guinea.)
Collation: 8°: A8 a4 b1 B-E8 F4; [6] [1] ii-iv [16] [1] 2-69 [2] [1 blank] p., 30 leaves with plates
Plates: 30 engraved plates, 10 pictorial numbered: "1-30" unsigned
Page size: 121 x 191 mm
Binding: recent (end 20th century) full calf with gilt lettering and ornaments on spine
Provenance: no marks of provenance
Other editions: 1751, 1753 (Abstract), 1753 (French edition),1756 (German translation), 17?? (Spanish translation), 1800, 1871 and another later edition
References: Sinkankas 3195
Collection: private collection
