Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 86
the con-struction represented in Fig. 28; inwhich the adjustment of the distancebetween the eye-pieces is effected byaltering the angle of convergence be-tween the bodies. This is done by turn-ing the screw v, which is furnished withtwo threads of different speeds, wherebyan inclination is given to… … Nachets Stereo-pseudo-scopic Microscope. * The result of the numerous applications which the Author has made ofthis instrument to a great variety of Microscopic objects, has led to a con-firmation of the principle of Pseudoscopic vision, stated at the conclusion of-§ 31.—Where, as in the case of…
Microscopy · Biology
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