S5 … 61. Figs. 61-63. Sectional Hews of the two Fo> ms of the Marker. Fig. 61. The simplest form of marker. It consists of the part SS with themilled edge (M). This part bears the Society or objective screzv for attaching themarker to the microscope. R. Rotating part of the marker. This bears the…
Microscopy
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