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Brass Simple Theodolite by Caleb Leach

Auction:
2283
Lot:
1365
Sold for:
$2,468$2,100

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Auction:
Clocks, Watches & Scientific Instruments - 2283
Location:
Bolton
Date / Time :
May 03, 2005 10:00AM

Description:

Brass Simple Theodolite by Caleb Leach, with trough compass signed Caleb Leach, Maker, 1792, purchased needle with engraved N / S directionals, later(?) sliding mica compass-cover, rotating horizontal circle divided 0-90 in four quadrants and unusual double 0/0 demarcation for North, on brass cross-strut with slide-on tripod mount and two double-hinged folding sights, dia. 6 in., in fitted mahogany case with brass loop handle.
Estimate $1,000-1,500

Keywords

Caleb Leach, Caleb, Compass, Qibla compass, Theodolite