Vintage Brass PH Table Lamp by Poul Henningsen for Louis Poulsen, 1940s

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Stunning original production ph-table lamp model "3,5/2" by poul henningsen manufactured at louis poulsen, copenhagen in the 1940s. The lamp … Read more Stunning original production ph-table lamp model "3,5/2" by poul henningsen manufactured at louis poulsen, copenhagen in the 1940s. The lamp base is made from patinated brass and white bakelite parts. The shades are all original and unrestored. The upper shade is made from yellow lacquered metal with a wonderful patina while the middle and lower are made from frosted matte glass which gives a wonderful light distribution. A beautiful and rare example of the world famous lamp icon. Poul henningsen designed the three-shade system back in 1925-1926. The first lights using the system were designed by ph in cooperation with louis poulsen for an exhibition in paris. Ph sought to create glare-free light, direct light where it was most needed, and create soft shadows, using incandescent bulbs as a light source. Ph 3/2 table is a member of the three-shade family. Thus ph did not just design a light, but an entire system – around a thousand different models have been produced over the years. Ph was the first person to pursue a scientific approach to light and use the logarithmic spiral as a basis. By using a design based on the logarithmic spiral he achieved even distribution of light over the entire curve of the shade. This even light distribution, together with the diffuse reflection through the glass, made it possible to control glare and shadow. Each shade reduces the amount of light equally, due to their distance from the light source. The ph light model numbers refer to the shade size. Each top shade had a corresponding set of middle and lower shades. In the ‘pure’ models, such as the 2/2, the top shade has a size of about 20 cm, with corresponding lower shades. Ph 3/2 table consists of an app. 30 cm top shade, but uses lower shades from the 2/2 model. These ‘hybrid’ models were introduced due to the desire to hang the pendants at lower heights. The system was also used for wall, table and floor lamps. This specific example has a "3,5" top shade (33,7 cm.) and a "2" middle and lower shade making it a "3,5/2 ph lamp". I have official proof of authenticity such as vintage catalogs,
designer records,
or other literature sources and take full responsibility for any authenticity issues arising
from
misattribution,
up to 250v (europe/uk standard).the wiring of this item may be original and might need replacement, if not specified otherwise. See less