Live Auction 17435Rare Watches
TRIPET & JEANRENAUD. A STAINLESS STEEL HAND-OPERATED HAIRSPRING VIBRATING TOOLSWISS / FRANCE. A WOODEN, BRASS AND STAINLESS STEEL HAND-OPERATED GRINDING MACHINE WITH GRINDING WHEEL
Lot 114

TRIPET & JEANRENAUD. A STAINLESS STEEL HAND-OPERATED HAIRSPRING VIBRATING TOOLSWISS / FRANCE. A WOODEN, BRASS AND STAINLESS STEEL HAND-OPERATED GRINDING MACHINE WITH GRINDING WHEEL

SIGNED TRIPET & JEANRENAUD, CHAUX DE FONDS ON VIBRATING TOOL CIRCA 1900

Closed11 November 2019

Price Realised

CHF 1,375

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TRIPET & JEANRENAUD. A STAINLESS STEEL HAND-OPERATED HAIRSPRING VIBRATING TOOL
SWISS / FRANCE. A WOODEN, BRASS AND STAINLESS STEEL HAND-OPERATED GRINDING MACHINE WITH GRINDING WHEEL
SIGNED TRIPET & JEANRENAUD, CHAUX DE FONDS ON VIBRATING TOOL CIRCA 1900
Size: approx. 90 mm. diam., 130 mm. high (Hairspring vibrating tool). approx. 140 mm. wide, 210 mm. overall length, 170 mm. high. (Grinding machine)

Specialist note

The present watchmaking tools are preserved in good, fully functional overall condition.

The hairspring vibrating tool is made to determine the correct length of a newly made hairspring. The hairspring to be produced is clamped on the movable pliers and brought into constant vibration with the original hairspring of the tool. By moving the clamping pliers, the vibration of the new spring can be adapted to the built-in hairspring.

The grinding machine is used for sharpening tools, comprising a grindstone and a support for the tool.