Catalog Record: The Sumner line of position furnished ready to lay down upon the chart by means of tables of simultaneous hour angle and azimuth of celestial bodies. : Between 27? and 63? of declination, latitude 60? N. to 60? S | HathiTrust Digital Library

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The Sumner line of position furnished ready to lay down upon the chart by means of tables of simultaneous hour angle and azimuth of celestial bodies. :
Between 27? and 63? of declination, latitude 60? N. to 60? S.

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Corporate Author: United States.
Related Names: Collins, Elmer Beauchamp 1877-, Littlehales, G. W. 1860-1943.
Language(s): English
Published: Washington : U.S. Govt. print. off, 1933.
Edition: [2d ed.]
Subjects: Navigation > Navigation / Tables.
Note: Mr E. B. Collins, nautical expert of the Hydrographic office, wrote the portion of the text dealing with the method of star identification, computed numerous values of hour angle and azimuth, and read all of the final proof.--cf. Pref., p. iii.
"The plan of arrangement and scope of these tables, as well as the method of using them in navigation, were conceived by Mr. G. W. Littlehales, C.E., hydrographic engineer, Hydrographic office, Washington, D.C."--Pref., p. iii.
First edition, 1925, has title: The Sumner line of position furnished ready to lay down upon the chart by means of tables of simultaneous hour angle and azimuth of the navigator's stars ...
Lettered on cover: The Sumner line of position of celestial bodies. H.O. no. 204. United States Navy department. Hydrographic office. 1933.
Various pagings.
Physical Description: 892 unnumbered pages including illustrations, tables. ; 30 cm
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