Modern microscopy; a handbook for beginners and students (1912)
Cross, M. I, Cole, Martin J · Chicago, Chicago Medical Book Co. · leaf 146
side, but the Jackson formrequires that the outer tube of the eyepiece shall be cut to receivethe carrier for the micrometer. Fig. 56 shows an eyepiece withthe Jackson micrometer, m, in position. There is yet another form of eyepiece micrometer, called theRamsden screw micrometer, which consists of…
Microscopy
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