Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 204
f this instrument is to apply agradual pressure to objects whose structure can only be made outwhen they are thinned by extension, while their organization is sodelicate as to be confused or altogether destroyed by the slightestexcess of pressure. For the examination of such, an instrument inwhich… … Schieks Compressor modified by M. de Quatrefages, who constantly employed it in hiselaborate and most successful researches on the organization of theMarine Worms. Being, however, deficient in any provision forsecuring the parallelism of the approximated surfaces, it has beensuperseded by other…
Microscopy · Biology
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