French modernist  lamp  made in the 1950's  , by Jean Louis Domecq . It is the original design ,  other extension can be  added  to extend the arms using the same principle. The particularity of the connection is the direct contact inside which does not required  wires so it can be manipulated  in any shape or form desired , all the moving part  possibly moving at a 180  %  angle  . This one is a 5 arms so it can be used as a floor lamp or  a reading lamp near a couch . The name came from his initial J. L. D  ,  searching for a reliable and practical lamp to equip the machines in his workshop, Jean-Louis Domecq  designed and constructed his own creative version .It is mounted on a  25 pound weight lifting plate.
Size H.60 to 80 ( each arm 16) + 10 for globe and neck.  depending on position , "80 is fully extended including the globe , arm : 16 " each , globe D.6 1/2 , rewired