[Mathematics] Institution de calcul numerique et litteral

J.J. Blassière. The Hague, Frederic Staatman, 1770. 2 vols., 8vo, xxiv,336,(6) and 437,(9) pp. Halfleather. Corners with light traces of use, else good + Institutions Mathématiques, servant d'introduction a un cours de philosophie, M. l'Abbé Sauri. Paris, Froullé, 1786. With 5 engravings with mathematical figures. 8vo, pp. xxxii,932. Leather, spine with gilt letterpiece, marbled edge. Binding sl. worn, else good.

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