File:KoppWordedDontWalk Obverse Full.JPG
KoppWordedDontWalk_Obverse_Full.JPG (500 × 455 pixels, file size: 81 KB, MIME type: image/jpeg)
The front view of a Kopp Dont Walk lens in an Eagle Flatback pedestrian signal
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|current||18:40, 28 May 2016||500 × 455 (81 KB)||SchoolcraftSignal||The front view of a Kopp Dont Walk lens in an Eagle Flatback pedestrian signal|
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