The microscope; an introduction to microscopic methods and to histology . ct one erecorded may be readily found 66 LABORATORY MICROSCOPES [CH. II \ 125. Marker for Preparations. (Figs. 61-66).—This instrument consists of anobjective-like attachment which may be screwed into the nose;piece of the micro-scope. It bears on its lower end (Figs. 61-3) a small brush and the brush can bemade more or less eccentric and can be rotated, thus making a larger or smallercircle. In using the marker the brush is dipped in colored shellac or other cementand when the part of the preparation to be marke
The microscope; an introduction to microscopic methods and to histology . ct one erecorded may be readily found 66 LABORATORY MICROSCOPES [CH. II \ 125. Marker for Preparations. (Figs. 61-66).—This instrument consists of anobjective-like attachment which may be screwed into the nose;piece of the micro-scope. It bears on its lower end (Figs. 61-3) a small brush and the brush can bemade more or less eccentric and can be rotated, thus making a larger or smallercircle. In using the marker the brush is dipped in colored shellac or other cementand when the part of the preparation to be marked is found and put exactly in themiddle of the field the objective is turned aside and the marker turned into posi-tion. The brush is brought carefully in contact with the cover-glass and will make a delicate ring of the colored cement around the object. Withinthis very small area the desired object can be easily found on any brush of the marker should be cleaned with 95% alcohol after it is used.(Proc. Amer. Micr. Soc, 1894, pp. 112-11S).. 55 ^W^
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