Collector's Pocket Watches, Wristwatc...
Noga Hilton, Geneva, Apr 12, 2003
LOT 233
Lot of three horological tools comprising:
CHF 4,000 - 5,000
EUR 2,800 - 3,500 / USD 3,000 - 3,700
A. S. Brion A Landau, dated 1780.Fine and rare early steel thread cutting plate.Spoon-shaped, with dies from No. 1 to No. 20 with 13 to 20 repeated twice.Dim. length 21 cmVery good condition. It is difficult to find such an early, dated screw cutting plate.B. A. Moynet, Swiss or France, circa 1850.Very fine brass and steel small proportion sector.Loop at the end for hanging, V-shaped steel slot with proportion scales interestingly calibrated both for Lepine and fusee calibers.Signed at the top.Dim. Length 20 cm.Small tools such as this one are hard to find.C.Unsigned, Swiss or French, circa 1820.Fine mainspring set-up rod for fusee watches.Steel clamp for securing on fusee arbor, movable brass weight with spring friction.Dim. Length 33 cm.Good condition. An indispensable tool for adjusting the strength of the mainspring in fusee watches, making sure that the fusee output momentum is constant.
