El Vikipedio
Negative lens
Originally uploaded to English Wikipedia. Created by DrBob as claimed on en:User:DrBob/Figures.
Upload history:
* (del) (cur) 17:41, 2 Dec 2004 . . DrBob (7477 bytes) (Reverted to earlier revision)
* (del) (rev) 12:40, 23 Nov 2004 . . Spiff (14506 bytes)
* (del) (rev) 00:34, 9 Oct 2004 . . DrBob (7477 bytes) (pngcrushed version)
* (del) (rev) 11:49, 20 Jul 2002 . . (Automated conversion) (9666 bytes)
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