Keywords: 1 weight chain lamp.PNG en wikipedia 2011 December 9 Transferred from http //en wikipedia org en wikipedia; transferred to Commons by User FSII using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper 2007-04-09 Original uploader was Stef breukel at http //en wikipedia org en wikipedia Released into the public domain by the author en wikipedia Stef breukel Original upload log page en wikipedia 1_weight_chain_lamp PNG 2007-04-09 00 26 Stef breukel 835×661× 22234 bytes <nowiki></nowiki> Counterweight balanced-arm lamps |