Ex meridian altitude, azimuth and star-finding tables; with diagrams for finding the latitude and facilitating plotting lines of position, and giving new and practical methods for identifying stars in cloudy weather, latitudes 0-65: declinations 0-71 north and south (1908)
Rust, Armistead · New York, J. Wiley & sons; [etc.,etc.] · leaf 21
ave the same name and d> L; then the value of Mvaries from 0° where the bodycrosses the lower branch of themeridian to 180° where it crossesthe upper branch, being 90° whenthe diurnal circle is tangent tothe vertical circle at its maximumelongation. 2. Let L and d have the same name and L >… … PLATES IV AND V. Error in the Latitude due to an Error of One Minute of Time in theHour Angle or Longitude. Plate V is a continuation of Plate IV. These plates afford a convenientfj means of plotting lines of posi- 60° tion without the aid of parallel rulers or protractors of any kind,and are…
Navigation · Nautical astronomy
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