A treatise on surveying, comprising the theory and the practice (1906)
Gillespie, William Mitchell, 1816-1868, Staley, Cady, 1840- · New York D. Appleton · leaf 221
sed onthe triangulation is usually preferred, observations being taken inthe same manner as the directions or angles, so as to get conditionsas nearly like those under which these directions or angles are ob-served as possible. A transit or meridian telescope fitted with an eyepiece microme-ter may… … telescopes, so that it can be seen distinctly with the sidereal focus—i. e., focus for stars or distant objects. In practice, the determination of an astronomical azimuth is themeasurement of the horizontal angle between a terrestrial object, AZIMUTE. 211 usually called the azimuth mark, and some…
Surveying
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