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 27̊ and 63̊ of Declination, Latitude 60̊ N. to 60̊ SBook - 1933
Publisher: Washington : Hydrographic Office ; U.S. Govt. print. off, 1933
Edition: 2d ed.
Call Number: 527 Un3 no.204 1933
Characteristics: xix, 698 p. : illus., tables ; 30 cm
Alternative Title: Sumner line of position of celestial bodies