Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 122
d the other below thesame pinion, so that right- andleft-handed movements arecommunicated by turning thepinion. This instrument could onlybe used in a vertical position,as shown in the figure (71) ;to obviate this considerable drawback Riddell mounted two right-angled prisms in brass caps,which… … Fig. 73.—Arrangement of prisms in Nachetsstereoscopic binocular microscope. 1 P. \\ 98 VISION WITH THE COMPOUND MICROSCOPE mediately after its publication, and Mr. Wenham in London andMM. Nachet, of Paris, soon suggested and devised a variety of binocular systems. Nachets Binocular.—One of these…
Microscopy
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