PH 2/1 WallThe Louis Poulsen PH 2 1 Wall, designed by Poul Henningsen, is part of this three shade family, which includes 30 models. Over the years, around a thousand different models have been produced, including table, floor, and wall lamps, as well as chandeliers popular in the 1930s. The lights were available in various colors and sizes, with shades initially made of metal and later of glass. The design, based on the logarithmic spiral, ensures even light