Modern microscopy; a handbook for beginners and students (1912)
Cross, M. I, Cole, Martin J · Chicago, Chicago Medical Book Co. · leaf 146
Fig. 56.—Jackson Micrometerfitted to Eyepiece. Fig. 57.—Ramsden ScrewMicrometer. very small equidistant V-shaped teeth, the interval between eachof which corresponds to one complete revolution of the milledhead. The value of these teeth is taken against the stagemicrometer, and the object placed on…
Microscopy
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