Modern microscopy; a handbook for beginners and students (1912)
Cross, M. I, Cole, Martin J · Chicago, Chicago Medical Book Co. · leaf 106
ted the eye-lens is attachedto an inner, or draw-tube, sliding inside theouter tube which fits the microscope body.When the eyepiece is closed together itbecomes of the Huyghenian type; whenthe eye-lens tube is pulled out, it gives theeffect of a compensating eyepiece. Theamount of over-correction… … Fig. 30.—HoloscopicEyepiece. 86 MODERN MICROSCOPY in a useful range of magnifications, will be found a desirablepattern to start with, and acquaintance with its working willlead to greater appreciation of it. It yields excellent effectsphotographically. Even if it be intended to limit the…
Microscopy
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