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PH 3/2 Table Lamp
Iconic Designs

PH 3/2 Table LampBy Poul Henningsen

About the Design

The PH 3/2 table lamp isn’t just striking; it’s scientific and caring, too. A series of stacked concentric shades, initially made of metal or glass, helps evenly distribute reflected light while concealing the source at its center, creating diffuse illumination that’s much gentler on the eyes than the harsh glare from a bare light bulb, which, in the early days of electric lighting, was an off-putting evolution from the welcoming glow of gas lamps.

Designed by Poul Henningsen (1894–1967) in the late-1920s as part of a series that would include around 100 designs, the PH 3/2 table lamp can be traced all the way back to its creator’s humble boyhood.

Henningsen was a product of his time. The son of famous Danish writer Agnes Henningsen, the designer and architect grew up at the turn of the century in a small Danish town without electricity, and the soft glow of the gas lights of his childhood left an impression. Henningsen would go on to work in a variety of fields, but as a lighting designer, he sought to emulate the effect of gas-lamp lighting with the then-new electric fixtures of the era. After studying at the Danish College of Technology, Henningsen began designing restaurants, residences and factories in Copenhagen. In 1924, he joined Danish lighting firm Louis Poulsen & Co., where he conducted a series of studies analyzing a lampshade’s function.

The modern and wildly nontraditional PH lamp design that resulted from Henningsen’s exploration would characterize his subsequent collection of artful lighting, such as the 3/2 table lamp, which ultimately suits different spaces and functions in its wealth of variations. His Paris light — an early PH configuration he would refine later — earned him a gold medal for modern lighting at the 1925 International Exhibition of Modern Decorative and Industrial Arts in France (this was the exhibition that brought the Art Deco style to worldwide attention). Louis Poulsen put the PH lamps into production soon afterward, and a long and fruitful collaboration began. In 1958, the partnership yielded another modern-day classic, the dramatic and revolutionary Artichoke lamp.

Today, the PH 3/2 table lamp is still available from Louis Poulsen.

Ph 3 2 Table Lamp

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Stunning original production PH-table lamp model "3,5/2" by Poul Henningsen manufactured at Louis Poulsen, Copenhagen in the 1930s. The lamp base is made from patinated brass and brown bakelite parts.. The upper shade is made from yellow lacquered metal with a wonderful patina while the middle and lower are made from two layered opaline 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".
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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 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".
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