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French brass sector (for gunnery calculations), 1700s.

Currency:USD Category:Artifacts / Non-wreck Artifacts Start Price:250.00 USD Estimated At:350.00 - 500.00 USD
French brass sector (for gunnery calculations), 1700s.
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French brass sector (for gunnery calculations), 1700s. 141 grams, 13" long. A rare instrument used primarily for calculating artillery angles and distances on the battlefield, with numeric scales and French script engraved all over on two flat arms connected by a circular hinge on the left, complete and in excellent (undamaged) condition. With certificate.