Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 100
t is subject to the disadvantage ofcausing the whole weight of the hands to bear on the stage, so as,by depressing it, to throw the object out of focus, unless the stagebe made of extraordinary solidity, or be supported in front as wellas behind. Hence the Author regards the arrangement adopted… … Siebert and Krafts Dissecting Microscope, as folded in case. of the pillar, can be made to turn up for portability (as shown inFig. 34), so that the instrument packs into a very small compass. 46. Laboratory Dissecting Microscope.—Where, on the otherhand, portability may be altogether sacrificed,…
Microscopy · Biology
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