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 165
upply with theirmicroscopes a larger and much thicker trough for chara andpolyps, as represented by fig. 83 ; the front is composed ofmuch thinner glass than the back, and the method adopted ofconfining objects near to the front varies according to circum-stances. One of the most convenient plans,… … ACCESSORY INSTRUMENTS. 125 At other times, when chara is being observed, the diagonalplate may be made to press it close to the front by means ofthin strips of glass, a wedge of glass or cork, oreven a folded spring. When either of theseinstruments is used, it may perhaps be necessaryto remind the…
Microscopy
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