The stereoscope and stereoscopic photography (1890)
Drouin, F. (Felix) · Bradford ; London : Percy Lund, The Country Press · leaf 91
by the coloured glasses. This method was mentioned by Rollmanin 1853, and was rediscovered by DAlmeida, who,we believe, constructed the instrument for thefirst time in 1858. §4 THE STEREOSCOPE Eclipse Stereoscopes. — The principle ofthese instruments is due to DAlmeida (1858), andmay be described… … Fig. 59- rapidly before the two object glasses uncoversthem successively. An observer looking at the screen will onlysee one picture without relief, formed in reality ofa succession of right and left pictures. But ifbefore the eyes O O, a shutter v turns with thesame rapidity and simultaneously as…
Stereoscope · Photography, Stereoscopic
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