61. Lacroix (Sylvestre François) Traité Elementaire de Calcul Differentiel et de Calcul Intégral, first edition , 5 folding engraved plates, half-title, 2 pp. advertisments at end, original plain wrappers, spine rubbed, uncut, cloth case, 8vo, Paris, Duprat, 1802.
est. £400 – £600
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