Keywords: Arm-lamps having a vertical axis.PNG Arm-lamps having a vertical axis Where did this image come from Stef Breukel donated it to wikipedia 2007-04-23 Who created this image Stef Breukel <br><br>Who owns the copyright to this image Stef Breukel did Released into the public domain by the author en wikipedia Stef breukel Original upload log page en wikipedia Arm-lamps_having_a_vertical_axis PNG 2007-04-23 02 04 Stef breukel 787×649× 15703 bytes <nowiki>Who created this image Stef Breukel Who owns the copyright to this image Stef Breukel Where did this image come from Stef Breukel donated it to wikipedia </nowiki> Balanced-arm lamps |