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 157
d.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 is provided with a screw,… … k a l~ Si 111 B A 1 PI Ul 1 Fig. 74. Fig. 73. instrument, A B being the flat support, c the object-plate ortablet, d the channel around the same, b the tubular top withits screw-cap e, holding down the thin glass cover a. Whenthe glass cover is of tolerably stout glass, these cages, besidesbeing…
Microscopy
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