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derekcaldwell

invention-of-the-light-bulb-diagram

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Uploaded on March 14, 2010
Taken on March 14, 2010

invention-of-the-light-bulb-diagram

Uploading using Sendto Flickr developed by Adamant Solutions

5,310 views
0 faves
0 comments
Uploaded on March 14, 2010
Taken on March 14, 2010
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