United States: magnetic declination tables and isogonic charts for 1902, and principal facts relating to the earth's magnetism

U.S. Coast and Geodetic Survey | Bauer, L. A. (Louis Agricola), 1865-1932

Gov't Print. Off, Washington, 1903.

Continuation of the series of papers begun in 1855, and pub., under various titles, as appendices to the annual report of the superintendent. "The previous papers contained the magnetic declination tables and accompanying charts ... for the following epochs successively: 1850 (first edition), 1850 (second edition), 1860, 1870, 1875, 1885, 1890 and 1900, the last published in 1897."--Pref.

538.9 B321

405 p. : il., 12 pl., 2 maps ; quarto.

United States magnetic tables and magnetic charts for 1905

U.S. Coast and Geodetic Survey | Bauer, L. A. (Louis Agricola), 1865-1932

Govt. Print. Off, Washington, 1908.

At head of title: Department of Commerce and Labor. Coast and Geodetic Survey. O. H. Tittmann, superintendent. Folded charts in pocket.

538.9 B322

154 : 7 maps ; quarto.