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 224
ied with a sliding arm and a ball and socket joint for ad-justment, so that it may be used for an opaque object either OPAQUE OBJECTS. 183 placed on the stage, or held by the forceps; the mode is asfollows:— The condensing lens, being placed near to the flame of thelamp, must be arranged to throw… … Fig. 116. glass slide, supposed to be on the stage-plate of the microscope,with an object a upon it; L the lamp, the burner of whichshould be on a lower level than the reflector; and D E thecondensing lens placed at a short distance from the flame ofthe lamp, the diverging rays given off from it…
Microscopy
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