Published by Smithsonian Institution, J. & G. S. Gideon, Printers,, Washington D. C., 1849
Disbound. Condition: Very Good. Tables; 4to 11" - 13" tall; Appendices I - IV from Smithsonian Contributions to Knowledge Vol II. Disbound but with original separate title pages for each. Fresh bright and neat. Includes Walker's three separate papers on observations on Ephemeris of Neptune along with Downes paper on Occulations. Paged 32, 10, 9, 26 pp. These original publications first issued in 1850 as Smithsonian Institution publications 5, 6, 7 later reprinted here in 1851 as appendices I, II and III of volume 2 of the Smithsonian contributions to knowledge. Downes paper original to the Vol II of the Smithsonian series of monographs. Disbound but sewn together. Mild toning to a few pages of the first appendix but overall very fresh and neat. Disbound and lacking covers VG thus. . Oversize book may require additional charges for expedited or international shipping.