A national observatory
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 42894; CIHM/ICMH microfiche series -- no. 42894
Publisher: s.n.
Published: 1899
Place of publication: S.l
Language: eng
Format: Microform
Notes: Caption title.

Attributed to Simon Newcomb--National Union Catalog pre-1956 imprints.

"[Reprinted from Science, N.S., Vol. IX. No. 222, Pages 465-467, March 31, 1899.]"

In double columns.

Filmed from a copy of the original publication held by the Library of Congress, Photoduplication Service. Ottawa : Canadian Institute for Historical Microreproductions, 1983.

3 p. ; 27 cm.