T. Jørstian, P. E. Munk Nielsen, "Light Years Ahead: The Story of the PH Lamp", Editions Louis Poulsen, Copenhague, 1994. Exemplaire similaire reproduit pp. 126-127, 159
Comment:
A pair of copper PH6/5 ceiling lamps by Poul Henningsen for Louis Poulsen - Circa 1926 19,69 x 23,62 in.