Variation of compass, as determined in various parts of world (chiefly at sea), by officers of U.S. Navy, while navigators of ships, between years 1881 and 1885
Contributors: United States. Navy Dept. Bureau of Navigation.
Series: Naval Professional Papers -- No. 19
Publisher: U.S. G.P.O.
Published: 1886
Place of publication: [Washington?]
Format: Microform
Subjects: Compass.