The microscope; an introduction to microscopic methods and to histology (1901)
Gage, Simon Henry, 1851-1944 · Ithaca, N.Y. Comstock publishing company · leaf 180
Fig. 133. Cover-Glass Measurer {Edward Bausch). The cover glass is placed in the notch between the two screws, and the drum isturned by the milled head at the right till the cover is in contact with the screws.The thickness is then indicated by the knife edge on the drum and may be read offdirectly… … Fig. 134. Zeiss Cover-GlassMeasurer. With this the knife edgejaws are opened by means of a leverand the cover inserted. The thick-ness may then be read off on the faceas the pointer indicates the thick-ness in hundredths millimeter inthe outer circle and in thousandthsinch on the inner circle. \…
Microscopy
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