Concept

Precious stones

Images

  • A lapidary, sitting at his foot-operated grinding wheel (above), an elevation and plan of his worktable (below). Engraving by B. L. Prevost after J. N. F. Boucher.
  • A diamond cutters' wheel in use (top), and a plan and perspective of the wheel with various components (below). Etching by Defehrt after L.J. Goussier.

Catalogue