A text-book of general astronomy : for colleges and scientific schools (1888)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston ; London : Ginn & Company · leaf 85
ut, however, disturbing the angle 0 (Fig. 38) betweenthe level and telescope), that the level is again horizontal. After thisreversal and adjustment, the telescope tube is then evidently elevatedat exactly the same angle, £, as before, but on the opposite side of thezenith. As the second star… … Fig. 3S.Principle of the Zenith Telescope. LATITUDE. 73 From Fig;. 37 we have for star south of zenith, cf> = 8S + £s;for star north of zenith, </> = 8n — £n. Adding the two equations and dividing by 2, we have *-(Hi)+(tfc The star catalogue gives us the declinations of the two stars(Sg-f…
Astronomy
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