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ASTRONOMY :: ASTRONOMICAL OBSERVATION :: REFRACTING TELESCOPE :: REFRACTING TELESCOPE image - Visual Dictionary Online
![Astronomy for students and general readers . another axis J, D(the declination axis), which is fixed at right angles to it,but which can again be rotated about its axial line. To Astronomy for students and general readers . another axis J, D(the declination axis), which is fixed at right angles to it,but which can again be rotated about its axial line. To](https://c8.alamy.com/comp/2CDEYN5/astronomy-for-students-and-general-readers-another-axis-j-dthe-declination-axis-which-is-fixed-at-right-angles-to-itbut-which-can-again-be-rotated-about-its-axial-line-to-this-last-axis-a-telescope-is-attached-which-mayeither-be-a-reflector-or-a-refractor-it-is-plain-that-such-atelescope-may-be-directed-to-any-point-of-the-heavens-for-we-can-rotate-the-declination-axis-until-the-telescopepoints-to-any-given-polar-distance-or-declination-thenkeeping-the-telescope-fixed-in-respect-to-the-declinationaxis-we-can-rotate-the-whole-instrument-as-one-massabout-the-polar-axis-until-the-2CDEYN5.jpg)
Astronomy for students and general readers . another axis J, D(the declination axis), which is fixed at right angles to it,but which can again be rotated about its axial line. To
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