PROPORTION COMPASS with equal parts, solids, poligones, ball - Lot 47

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  3. PROPORTION COMPASS with equal parts, solids, poligones, ball - Lot 47
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Lot n° 47
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80 - 150 EUR
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Result : 100EUR
PROPORTION COMPASS with equal parts, solids, poligones, ball - Lot 47
PROPORTION COMPASS with equal parts, solids, poligones, ball weights, chords, planes, metals and calibers. Original model with inverted planes and solids and missing metal in the metal section. Late 18th or early 19th century. L. 17 cm closed. Provenance: André Brochant de Villiers (1772-1840), geologist, Inspecteur Général des Mines, Director of the Manufacture des Glaces de Saint-Gobain, Member of the Académie des Sciences, then by descent. Expert | Benoit Reverdy
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