vable board (Fig. 162, 5, 6). The approximate position for thevarious sizes being once determined and noted, it is but a momentswork to set the camera for any enlargement or reduction within itsrange. 30. The object is placed on a horizontal support, and so arrangedthat the lighting will give… … Fig. 162. Arrangement of a vertical or horizontal camera for making photographs of nat-ural history objects—sectional view. 1. The photographic objective. It should be of the best quality and rectilinearso that there may be no distortion. 2. Cone to increase the length of the camera and avoid…
Microscopy
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