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.
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| Format: | Government Document eBook |
| Language: | English |
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[Place of publication not identified] :
U.S. Government Printing Office,
1897.
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| Online Access: | Connect to the full text of this electronic document |
| Item Description: | [With name of observer, and data by year] Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1789-1909. Reuse except for individual research requires license from ProQuest, LLC. Electronic resource. |
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| Physical Description: | 1 online resource (45 pages) : map |
| Format: | System requirements: PDF reader software. |