A text-book of general astronomy : for colleges and scientific schools (1888)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston ; London : Ginn & Company · leaf 66
er instruments,which, with the same eye-pieces have much higher magnifying powers,it is necessarily less, —not more than from 5 to 10. 74. A new form of equatorial, known as the Equatorial Coude, or ElbowedEquatorial, has been recently introduced at the Paris Observatory. Withlarge instruments of… … Fig. 30. - The Equatorial Coude. heavenly bodies. Moreover, the revolving dome, which is usually erected toshelter a great telescope, is an exceedingly cumbrous and expensive affair. In the Equatorial Coude, Fig. 30, these difficulties are overcome by theuse of mirrors. The observer sits always in…
Astronomy
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