Drizzling machines were used in France in the 18th century and, later in England during the early 19th century to recover gold and silver used in elaborate lace work. The procedure shreded the embellished material, with the heavier particles of precious metals falling into a collecting tray below.

COMPARATIVE LITERATURE:
Edward H. Pinto, Treen and Other Wooden Bygones, Bell & Hyman, London 1969. Pages 309 & 310.