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 Barnard, J. G. (John Gross) 1815-1882 creator text dcu Washington Smithsonian Institution 1877] 1877 monographic eng

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iii, 16 p. diagrs. 33 cm. By J. G. Barnard. Astronomy Earth (Planet) Internal structure Precession Nutation Q11 .S68 vol. 23 s 13000096 Smithsonian Inst. Library 771212 20260227111910.0 s 13000096