hought the said piece. The optical system likewise studied by the inventor of. In such particular cases it will, therefore, be victim to unremitting toil in the service of this branch consists of a series of lenses calculated for giving hcessary to return to the models especially constructed of our… … Fig. 1.-THE LEHABDELET PHOTOGBAPHIC HICBOSCOPE. Fig. 2.-THE HICBOSCOPE MOUNTED UPON A CAMEBA. the difficulties that are met with in the practice of to our knowledge which we owe to him are two which had in hand, the relation of the magnifying power of photomicrography easily explains why scrfew…
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