Handy methods of geodetic astronomy for land surveyors (1921)
Gribble, Theodore Graham · London, J. D. Potter · leaf 24
er anyparticular star is convenient for observation at time and place. The curves are given for every five degrees of Latitude up to65 degrees. Intermediate values can be roughly estimated propor-tionally. EAST AND WEST STARS; Stars bearing due East and West, including the Sun, that is to say,whose… … «> 30 L A T Fig. 5. 24 stars in this position. Curve C gives the Altitude, found by Equation 3,in Latitudes read on the upper horizontal scale. The curve is followedup to its intersection with a vertical from the stars Declination read oneither of the horizontal scales. The intersection point is…
Geodesy · Surveying
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