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 37
ed asabove. On preparing fossils for microscopic examination, Mr. AlexanderBryson remarks :*— The usual mode of proceeding in making a section of fossil woodis simple, though tedious. The first process is to flatten the specimento be operated on by grinding it on a flat lap made of lead chargedwith… … Fig. 18. Apparatus for aiding in making the circular rim of asphalte; 5, a piece ofmahogany; a, a circular piece of brass, which can be moved round by the hand, and hastwo brass springs on its surface for holding a glass slide firm. In the centre of the brassdisc are circular markings fitted for…
Botany · Microscopy
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