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 226
e method of illuminating then to be employed isshown by fig. 118, where it will be seen that the rays r r, &c,from the mirror, are only thrown on one side of the Lie-berkuhn C; these are reflected obliquely upon the object E,and no part of it being illuminated perpendicularly, a shadowis…
Microscopy
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