pers, used chiefly in the mechanic arts, is convenient, andfrom its size easily carried in the pocket. The two cover-glass meas-urers, specially designed for the purpose, are shown in Figs. 120-122.With either of these the covers may be more rapidly measured than withthe calipers. With all of these… … Fig. 121. Cover Glass Meastirer {Edward Bausch). The cover glass is placed in the notch betw:en the two screws, and the drum isturned by the milled head at the right till the cover is in contact with the screivs.The thickness is then indicated by the knife edge on the drum and may be read…
Microscopy
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