Mtraction. Pratt, John Henry. A treatise on attractions, Laplace’s functions, and the figure of the earth. Cambridge. Macmillan & Co. 1860. xvi, 126 pp. Sm.8°. 5929a.82 Same. 4th edition. London, 1871. xv, (1), 245 pp. **E.5029.99
[The second copy is kept on the Special Libraries Floor.}
 
May 1, 1901 | Do684 — Attraction. — Earth. Figure. — Spherical harmonics.