The botanist's companion; or, Directions for the use of the microscope (1860)
Balfour, John Hutton, 1808-1884. [from old catalog] · Edinburgh, A. and C. Black · leaf 43
ree * In making sections of minute objects, such as Diatoms, they are mixed up with plasterof Paris and mucilage, and then the whole is sliced by means of a sharp razor. Small piecesof wood are sometimes put into a slit in a cork, and then the whole sliced. 36 CASES FOR PREPARATIONS. from sand or… … Fig. 20. the sun for a day or two. A tumbler or hand-glass will prevent too muchevaporation. Diatoms, if recently gathered and alive, will come to thesurface of the sediment, or water, or both, and this affords an easy mode ofseparating certain species. They may now be skimmed off with a…
Botany · Microscopy
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