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A practical treatise on the use of the microscope, including the different methods of preparing and examining animal, vegetable, and mineral structures (1848)

Quekett, John, 1815-1861 · London, H. Bailliere · leaf 156

An illustration from A practical treatise on the use of the microscope, including the different methods of preparing and examining animal, vegetable, and mineral structures, 1848, leaf 156 — t, is now adoptedby all our first-rate microscope makers, but with some fewslight modifications; one of these instruments, as constructedat the present time, is represented by fig. 71 in elevation, and in section by fig. 72.AB in both figures ex-hibits the flat plate ofbrass to which the shorttube,… … Fig. 72. glass a is cemented.8* This thin glass cover is often either 116 PRACTICAL TREATISE ON THE MICROSCOPE. broken or becomes uncemented; to remedy the inconvenienceof re-cementing, Mr. Powell adopts a very excellent plan, bywhich a new cover can be adapted with little trouble: thetubular top…

Microscopy

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