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.

Bibliographic Details
Corporate Author: United States. Hydrographic Office
Other Authors: Littlehales, G. W. (George Washington), 1860-1943
Format: Government Document eBook
Language:English
Published: [Place of publication not identified] : U.S. Government Printing Office, 1897.
Subjects:
Online Access:Connect to the full text of this electronic document
Description
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.
Physical Description:1 online resource (45 pages) : map
Format:System requirements: PDF reader software.