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Contributions to terrestrial magnetism, magnetic dip or inclination, as observed at 30 important maritime stations, together with investigation of secular change in direction of freely suspended magnetic needle at 29 stations
- Available as
- Online
Details
- Format
- Books
- Language
- English
- Publication
-
- [Place of publication not identified] : U.S. G.P.O., 1897
- Physical Details
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- 1 online resource (45 pages) : map
- [With name of observer, and data by year]