The stereoscope and stereoscopic photography (1890)
Drouin, F. (Felix) · Bradford ; London : Percy Lund, The Country Press · leaf 134
angle. This displacement is limited by twoscrews with ends. After having mounted the object on the lever(where it is held by supports or springs) it isfocussed and its position rectified till the middleof the subject is in accordance with the opticalangle. By means of wedges or of regulating… … Fig. 77. * W. Seibert has also obtained good stereoscopicphotomicrographs by the lateral displacement of the object. 128 THE STEREOSCOPE middle of the object. This regulation is necessary,because the plates which hold the object are notalways of the same thickness. The angle to be given between the…
Stereoscope · Photography, Stereoscopic
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