Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 225
Fig. 154.—Swifts portable microscope, means of a spiral tube, within which an inner tube slides, carryingstops, diaphragms, etc. The mirror is jointed so as to be vised abovethe stage; and as its focus is only 1J inch can be used as a sidereflector. It is also arranged so that eye-pieces with large…
Microscopy
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