°>c-Ui … 50. Si- 48. 49- Figs. 48 51. Sectional views of the Abbe Illuminator of 1.20 N. ■ I. snowingvarious methods of illumination [\ 84), i^k- Is. axial light with parallel raysFi^. 49, oblique light. Fig. 50, axial light with converging beam. Fig, 51, darkground illumination with a central slop…
Microscopy
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