Talk:Poggendorff illusion
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Untitled[edit]
Idon't see it.--90.179.235.249 (talk) 00:11, 19 November 2010 (UTC)
Looks like someone with nothing better to do has deleted some lines from the picture. Does wikipedia keep old pictures anywhere... 84.42.203.74 (talk) 16:56, 19 November 2010 (UTC)