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 274
ory plate /dropping into the ring m, which again fits into the ring n, orthe crystal may be conveniently held by the clamping armsin fig. 147, attached to a ring, also fitting into the plate n.Two of these arms have very small cups at their extremityfitted with a piece of India rubber or cork, by… … Fig. 147. The arrangement of screws and guides shown in the drawingis for the purpose of sliding the arms to and from the centre 234 USE OF THE MICROSCOPE. where the crystal is to be fixed. Fig. 148 is another ringfitting into n with two light springs to hold a slip of gla.— onwhich to fix a…
Microscopy
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