The stereoscope and stereoscopic photography (1890)
Drouin, F. (Felix) · Bradford ; London : Percy Lund, The Country Press · leaf 28
AND STEREOSCOPIC PHOTOGRAPHY. 21 and as they will each see it in exactly the sameposition, the image will appear to be withoutrelief. In order that the object, P, should belighted in the same way in both cases, the sourceof light should be fixed in such a way that it willturn with the drum. … Fig. 8. Fig. 8 illustrates this iconoscope. The drumis set in action by a small electric motor, and theobject is fixed in the interior by means of screwsand holdfasts. It is lighted by an incandescent lamp which rotates along with it, and which is c 2 2 THE STEREOSCOPE /it / / supplied from outside…
Stereoscope · Photography, Stereoscopic
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