Keywords: Pantographic parallel arms balance a light-weight-lamp and counter-weight.gif Pantographic parallel arms balance a light-weight-lamp and counter-weight Where did this image come from Stef Breukel donated it to wikipedia 2007-04-28 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 Pantographic_parallel_arms_balance_a_light-weight-lamp_and_counter-weight gif 2007-04-28 17 44 Stef breukel 325×575× 157585 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> Counterweight balanced-arm lamps |