Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 117
ntagonizes vibration, it al-lows the body to be raised toa height that permits the useof objectives of 3 or 4 inchesfocus, for which the rack-movement is not long enoughto provide. On the outsideof this tube is a clip hav-Pillischers International Microscope. ing attached to it a jointed arm that… … ROSSS (ZENTMAYER) STUDENTS MICROSCOPE. 73 Fig. 43. diaphragm-plate on its under side. The mirror is attachedto a swing-ing bar,which might easily be made to elongate like that of the WaleMicroscope (§ 60).—The special merit of this model (of whichthe Author can speak from considerable experience of…
Microscopy · Biology
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