The stereoscope and stereoscopic photography (1890)
Drouin, F. (Felix) · Bradford ; London : Percy Lund, The Country Press · leaf 49
ves as indicated inFig. 25, so asto make themr e ct angu 1 ar,and fix them to-gether by theirsmall edges.When thusfixed theyshould be about80 millimetreswide (3£in.), theleast separationoftheeyes being65 millimetres(2% in.) Thesharp edges ofthe two half len-ses can be leftand inserted inthe… … Fig. 25. AND STEREOSCOPIC PHOTOGRAPHY. 43 exactly adhered to. In looking by ordinary sightin a lateral direction at the object M (Fig. 27), theeyes O O are at different distances from it, andthe two pictures reflected on the retina are, there-
Stereoscope · Photography, Stereoscopic
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