LA CAILLE, Nicolas Louis de. Lectiones elementares astronomiae geometricae, et physicae, Vienna & Prague: Johann Thomas Trattner, 1757, 4°, 9 folding engraved plates (occasional light browning); Lectiones elementares opticae, Vienna: Johann Thomas Trattner, 1757, 4°, 13 folding engraved plates (lightly spotted); Lectiones elementares mathematicae, seu elementa algebrae, et geometriae, Vienna, Prague & Triest: Johann Thomas Trattner, 1758, 4°, 6 folding engraved plates (lightly spotted), all 3 works uniformly bound in contemporary boards (rubbed). With the same author's Lectiones elementares mechanicae, seu brevis tractatus de motu, et aequilibrio (Vienna, Prague & Triest, 1759, 5 folding engraved plates). (4)