Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 220
ioncoarse adjustment, direct-acting screw fine adjustment, and plainstage on a bent claw foot. When first introduced these instru-ments were little better than the Hartnack instruments made inEngland, with inclining bodies on a claw foot, instead of a solid massof metal. But they have been greatly… … Fig. 149.—Bakers modification of Nelsons form. class instruments, while some are yet made without a fine adjustmerit; and it is a little notable that the best of this class wasmade by the late Hugh Powell, whose maxim was that a microscopewith only a good coarse adjustment was to be preferred to…
Microscopy
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