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 176
t of the gallery. The cup at the bottom of theburner, to hold the superfluous oil, is ingeniously furnished witha funnel-shaped mouth just above the screw, by which it isattached to the burner; the funnel receives all the oil that runsdown the outside of the burner, and in it are two holes bywhich… … 136 PRACTICAL TREATISE ON THE MICROSCOPE. wick, instead of a coarse screw. The pinion is attached nearto the lower end of the burner, and is turned by a milledhead, but from the circumstance of the pinion working in theoil, it is found that after a little use the oil will escape be-tween the pinion…
Microscopy
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