French modernist  lamp/sconces  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  . The  original connector ( present) can be mounted on a US junction box or just hankered on the wall .Those have been used in an industrial  setting so they have small dent and nick  but they are in working  condition. Size H.12 , globe D.6 1/2 .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 created this classic .
I can be reach at the 310 994 6009 if you want more info , for shipping outside the US please contact me for pricing and condition