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 45
microscope, which wasnothing more than a drop of that fluid lifted up with a pinand deposited in a small hole in a piece of brass. The dropretained nearly a spherical form, and showed objects withsome degree of distinctness. He subsequently contrived the apparatus represented by fig. 6,to be used… … which contains the water, which can be dropped into it by a pinor large needle, and there forms a double convex lens of water:c d e} is another piece of brass, well ham-mered, so as to be springy, and called theobject supporter; it is attached to the platea b, by the screw e; it has a point…
Microscopy
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