Determination of secondary meridians by electric telegraph and the Personal equation
Contributors: Holden, Edward S. (Edward Singleton), 1846-1914; United States. Hydrographic Office
Series: Practical papers -- no. V
Publisher: [Hydrographic Office]
Published: 1876
Place of publication: Washington, D.C.]
Language: eng
Number of pages: 29
Subjects: Astronomy; Observations; Personal equation