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Depth perception appearance
From;    Author:Stand originally
Depth perception appearanceDepth Perception Box

Determine the smallest differential threshold of double eye parallax is restricted (namely deepness inspects acute or hypostatic impressibility) psychological instrument. Howard - Duoerman depth perception appearance is case of a rectangle, there is two blacks club inside box; One is secured, another is pressed press telegraph key to be able to make its around mobile. Be tried to be able to pass rectangular window observation only. The requirement is tried to adjust two clubs same horizontal on, its error can see on rear sight. Date: 2007-1-26

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