01086cam a22002651 4500 s 13000096 DLC 20260227111910.0 771212s1877 dcua f000 0 eng c s 13000096 (OCoLC)3486396 Smithsonian Inst. Library NGenoU NGenoU DLC premarc Q11 .S68 vol. 23 Barnard, J. G. (John Gross), 1815-1882. On the internal structure of the earth considered as affecting the phenomena of precession and nutation, supplementary to article under the above head, Smithsonian contributions to knowledge, vol. XIX, no. 240 being the third of the problems of rotary motion. By J. G. Barnard. [Washington, Smithsonian Institution, 1877] iii, 16 p. diagrs. 33 cm. Smithsonian contributions to knowledge. [vol. XXIII, art. 4] Smithsonian Institution publication 310. Astronomy. Earth (Planet) Internal structure. Precession. Nutation. 52651 52651