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 144
de with that of the object-glass. Two ofthese screws are seen at c and c. This plan was first sug-gested by Mr. Ross, and is adapted to all his instruments inwhich the arm carrying the compound body is a fixture. Theseveral parts of the illuminator g unscrew, so that they maybe used either combined… … Fig. 53. the drawings have been made of the actual size, but in aninverted position. In fig. 53, c represents a tube of brass, withinwhich a smaller tube h, carrying the illuminator d, is movedup and down by turning the milled heads a a. The tube c isscrewed into a plate of brass, which turns upon…
Microscopy
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