The elements of natural philosophy : copiously illustrated by familiar experiments and containing descriptions of instruments, with directions for using : designed for the use of schools and academies (1856)
Sprague, A. W. (Alfred White), 1821-1891 · Boston : Phillips, Sampson & Company · leaf 331
or a lamp for, owing to its high refracting power, it enables the eye to see minute objectsat a large angle. The diamond, moreover, causes but a comparatively dightaberration of the light passing through it, while its dispersive power, or powerof decomposing light into its prismatic colors, is but… … Describe the parts of the Compound Microscope when complete, as in Fig 25228 326 WONDERS OF THE MICROSCOPE. upon the object at S, and so illuminating and rendering it moredistinct. This mirror turns on pinions, and can be fixed at anydesired angle. The various appendages to this compound…
Physics
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