T. Jørstian, P. E. Munk Nielsen, "Light Years Ahead: The Story of the PH Lamp", Editions Louis Poulsen, Copenhagen, 1994. Exemplaire similaire reproduit p. 127
Comment:
EARLY LARGE COPPER AND METAL PH 5 /5 PENDANT LAMP BY POUL HENNINGSEN FOR LOUIS POULSEN - 1926-1928 Diameter: 19.72 in.