the covers are measured the different thicknesses should be putinto different boxes and properly labeled. Unless one is striving forthe most accurate possible results, cover-glasses not varying more than CH. VII.] SLIDES AND CO VER GLASSES. H5 rJT, ram. may be put in the same box. For example, if… … Fig. 122. Zeiss Cover-Glass Meas-urer. With this the knife edge jawsare opened by means of a lever, andthe cover inserted. The thicknessmay then be read off on the face asthe pointer indicates the thickness inhundredths millimeter in the outercircle and in hundredths inch on the^& inner circle.…
Microscopy
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