CAUCHY, Louis. Mémoire sur la Dispersion de la Lumière. Paris: De Bure, 1830. 4o. [2], 24 pp. Later green cloth (joints starting, spine darkened, slight soiling to boards); uncut. -- [Bound with:] STEVENSON, Alan. Observations on the Application of Catadioptric Zones to Lights of the First Order in the System of Fresnel. Edinburgh: Neill & Co., 1840. 4o (266 x 213 mm). One engraved plate (slight marginal browning). -- [Bound with:] HERSCHEL, William. "Observations of a Second Comet". Extract from Philosphical Transactions, [London, 1812?]. 4o. -- [Bound with:] HERSCHEL, William. "Experiments for Ascertaining how far Telescopes will enable us to determine very small angles, and to distinguish the real from the Spurious Diameter of celestial and terrestrial Objects". N.p., [1804?]. 4o. -- [Bound with:] CAVENDISH, Henry. "Experiments to Determine the Density of the Earth". Extract from Philosophical Transactions. N.p., [1798?]. 4o. 2 folding engraved plates (slightly foxed). -- [Bound with:] DOWNES, Olinthus Gregory. On the Physical Constitution of Comets. London: C. & E. Layton, 1860. 4o. 3 lithographed plates. -- [Bound with:] FORBES, James D. "On the Transparency of the Atmosphere and the Law of Extinction of the Solar Rays in passing through it". Extract from Philosophical Transactions. [London, 1842?]. 4o. 9 plates, 6 folding (slight browning and some marginal dampstaining). -- [Bound with:] AIRY, G.B. "On the Theoretical Explanation of an apparent new Polarity in Light". Extract from Philosophical Transactions. [London, 1840?]. 4o. Folding plate.