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Large Brass Sector

Auction:
2502
Lot:
236
Sold for:
$326$275

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Auction:
Clocks, Watches & Scientific Instruments - 2502
Location:
Marlborough
Date / Time :
May 01, 2010 10:00AM

Description:

Large Brass Sector, possibly England, 19th century, the adjustable arm tightens with a thumbscrew, lg. 27 in.

Note: Crom #2 includes a few pages on sectors or "proportional gauges," tools which predate watchmaking but are used readily by watch and clockmakers to calculate the relative sizes of wheels and pinions.
Estimate $200-400

Keywords

United Kingdom, Clockmaker, Watch