Beale, Lionel S. (Lionel Smith), 1828-1906 · London, Harrison · leaf 96
Fi. 60. Lines separated by risa of an inch magnifled 215 diameters, with olijects magnified inthe same degree. Fig. 61. Scales, hundredths and thousandths magnified m different degrees. Kg. 63. Mode of ascertaining the magnifying power of an object-glass, a. lOOOths of an inchX 200. 6. IruHi scale…
Microscopy
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