Important Collectors Wristwatches, P...
Geneva, Mandarin Oriental Hotel Du Rhône, Oct 15, 2006
LOT 127
"Machine for Cutting the Incline of Cylinder Escape Wheel Teeth" C.R. French. Made circa 1890. Fine and rare, steel and brass machine for cutting the incline of cylinder escape wheel teeth.
CHF 2,000 - 3,000
EUR 1,300 - 1,900 / USD 1,600 - 2,500
Sold: CHF 2,360
Circular brass base, adjustable flat steel bed, adjustable
stocks for holding the work, cutting wheel held between
two adjustable centers and driven by a pulley wheel,
adjustable steel frame above for raising and lowering
the cutting wheel operated by a crank handle.
Dim. 153 x 134 mm.
Good condition
Notes
Provenance: The Belmont Collection.
Literature: "L'Echappement à Cylindre (1720-1950)",
Henry L. Belmont, Editions Technicmedia, p. 143.