Reports on Telescopic Observations of the Transit of Mercury, May 5-6, 1878.

Washington Ovservations, 1876 - Appendix II.

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Washington, Government Printing Office, 1879.

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4°, II, 126 pp., marmorierter Halbleinenband der Zeit.

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ZUSTAND -1, few pp. with water staines, paper tanned.

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Reports from: Henry Draper and Edward S. Holden; J. R. Eastman; A. Hall; WM. Harkness; H. M. Paul;[Merkur-Transite, Merkur-Transit 1878]