File:Segmented-parabolic mirror.jpg
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Segmented-parabolic_mirror.jpg (420 × 336 pixels, file size: 25 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:42, 4 August 2008 | 420 × 336 (25 KB) | Deuxdad | {{Information |Description={{en|1=Parabolic mirror from typical commercial/residential PID (passive infrared [motion] detector).}} |Source=Own work by uploader |Author=Deuxdad |Date=07-27-08 |Permission=PD-self |other_versions= }} {{ |
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