Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 250
Fig. 173.—Ronsselets aquarium microscope. … Fig. 174. the whole apparatus may be passed from hand to hand with thegreatest facility, and without any probability of disarrangement,and every observer may readily 1 focus for himself, without any riskof injuring the object. 226 CHAPTER IV ACCESSORY APPARATUS Tins chapter on apparatus accessory…
Microscopy
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