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 218
observer must be placed be not ren-dered fatiguing, it is the best plan at first so to raise theinstrument from the table, that the eye-piece may be on alevel with the eye. In the day time, the light taken directlyfrom a white cloud opposite the sun will serve to bring outsome objects very… … Fig. 111. Fig. Ill represents the method of illuminating by directlight. a is the compound body, placed in a horizontalposition, having the stage b at right angles to it; the mirrorm is turned on one side, so that the diverging rays r r12 178 USE OF THE MICROSCOPE. emanating from the lamp /, may…
Microscopy
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
