T. Jørstian, P. E. Munk Nielsen, "Light Years Ahead : The Story of the PH Lamp", Edition Louis Poulsen, Copenhague, 1994. Exemplaire similaire reproduit pp.237-239
Commentaire :
Metal and glass Septima 5 ceiling lamp by Poul Henningsen for Louis Poulsen 15,75 x 19,69 in.