Collector's Pocket Watches, Wristwatc...
Noga Hilton, Geneva, Apr 12, 2003
LOT 190
Unsigned, Swiss, circa 1900.Very fine large nickel and steel rounding-up tool.
CHF 2,200 - 3,200
EUR 1,500 - 2,200 / USD 1,600 - 2,400
Sold: CHF 2,185
Large crank lever wheel, vertical slide-controlled lever and by two knurled nuts, depth slide with micrometric regulation, wooden base with a drawer for additional cutters and cutter chucks.Dim. 32 x 25 cm.
Notes
Good condition, cleaned and varnished.This type of re-cutting engine, designed for quickly decreasing the diameter of a wheel, while retaining the module and the shape, with automatic entry into a new tooth, was invented by Louis Carpano from Cluses and patented on January 9, 1889. Direct-driven ones are rare.