Richer frères
Contenu
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Nom
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Richer frères
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Couverture temporelle
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1/2 19th century
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Biographie
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If it was not J.-F. Richer, then it is likely to have been Richer frères who manufactured the calculateur graphite de Charles Frédéric Gelinsky (1771-1837), chef de cadrastre à Angers and later (after 1830) at Digne. The instrument allowed the surface area of an irregular figure to be determined graphically by reducing it to a simpler form such as a triangle, the construction of the instrument was based on the properties of parallels (1).
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Notes biographiques
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See Lecoy, 1830 and subsequent editions.
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Adresse ; enseigne ; période ; source
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1829-30; 1833-40: Bd St Antoine, 71 Paris (Parfait Indicateur, 1831)
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1825-28; 1830: rue Harlay, 6 au Marais Paris (Parfait Indicateur, 1831, Almanach du Commerce).
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1831-39:2, rue Harlay au Marais Paris (Almanach du Commerce)
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1841-45: 14, rue de la Bucherie Paris (Almanach du Commerce).
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1846-50: 4, rue S Claude Marais Paris ( Almanach du Commerce).
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Exposition année ; ville ; type ; récompense
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1849 Paris Industrie Nationale, Silver medal
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Identifiant
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765
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ark:/18469/1q7dq