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Magnetic observations at the United States Naval Observatory

Magnetic observations at the United States Naval Observatory
Paper図書
by J. A. HoogewerffGovernment Printing Office1892
Other Libraries in Japan
  • Author HeadingUnited States Naval Observatory Hoogewerff, J. A.

Magnetic observations at the United States Naval Observatory

Magnetic observations at the United States Naval Observatory
Paper図書
by J. A. HoogewerffGovernment Printing Office1891
Other Libraries in Japan
  • Author HeadingUnited States Naval Observatory Hoogewerff, J. A.

Magnetic observations at the United States Naval Observatory 1888 and 1889

Magnetic observations at the United States Naval Observatory 1888 and 1889
Paper図書
Government Printing Office1890
Other Libraries in Japan
  • Author HeadingUnited States Naval Observatory Hoogewerff, J. A.

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