—, —, by refraction, laws of, D. Brewster, xxiii, 225.f
—, —, elliptic, of reflected, Powell, xliv, 171; xlvi, 390.
—, —, rings produced in specimens of decomposed glass, D. Brewster, xl, 325.
—, on the passage of, through small apertures, and on the cause of prismatic analysis, C. C. Conwell, xx, 350.
—, on the production of, R. Hare, ii, 172.
—, —, J. L. Sullivan, i, 91.f
—, —, from quicklime, xiv, 385.
—, —, ibid, for geodetical operations, xiii, 188.
—, on the production of, from quicklime, for light-houses, T. Drummond, xxi, 366.
—, reflection of, from different surfaces, Potter, xxviii, 59.