Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 631
al telescope.—The astronojnical telescope is used forobserving the heavenly bodies : like the microscope, it consists of aconve,\ eye-piece and convex object-glass. The object-glass, M (fig. 593), forms betweenthe eyepiece, N, and its principal focus an inverted image of the heavenlybody ; and this… … fg- 5J3 instruments differ in this respect, that in the microscope, the object beingvery near the object-glass, the image is formed much beyond the principalfocus, and is greatly magnified, so that both the object-glass and theeyepiece magnify ; while in the astronomical telescope, the heavenly…
Physics
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