e objective, the field will appear dark (Fig. 57). If nowthe object is composed of fine particles, or is semi-transparent, itwill refract or reflect the light which meets it, in such a way that a CI I. //] I.K.I ITINC A.XP FOCI SI part of the very oblique rays will pass into the objective, hence…
Microscopy
Internet Archive · Public Domain Mark 1.0. Free to use for anything.