Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 218
Fig. 148.—Nelsons form. This instrument has the peculiarity that the stage is H inchbelow the trunnions, which has the effect of lowering the centre ofgravity when the instrument is in a vertical or nearly vertical posi- o THE HISTORY AND EVOLUTION OF THE MICROSCOPE tion. When horizontal the optic…
Microscopy
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