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 98
diameter;into it may be fitted dissecting troughs, composed of a ringof brass, with a glass bottom, or a similar ring with anebony bottom, and others equally useful, which are coveredor lined with cork. This instrument is supplied with singlelenses and with doublets, and has proved a very useful… … Fig. 39. single microscope of Messrs. Smith and Beck, and thosepreviously described, there are many very useful forms soldby some of our other opticians in this metropolis, and in theprovinces, and those of Mr. Pritchard, which are described inhis works, require especial mention. The author of a…
Microscopy
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