Products / PH 4½-3½ Floor Lamp

PH 4½-3½ Floor Lamp

Poul Henningsen designed the triple shadow system in 1925-1926. The first lights using the system were designed by PH in collaboration with Louis Poulsen for an exhibition in Paris. PH designed not just a light, but a whole system, and over the years around a thousand different models were produced. PH was the first to take a scientific approach to light, based on the logarithmic spiral. By using a design based on the logarithmic spiral, he achieved an even distribution of light along the entire curve of the shadow. This even distribution of light, together with the diffuse reflection from the glass, made it possible to control glare and shadow. PH light model numbers refer to the shade size. The PH 4½-3½ Glass Floor consists of a top shade of about 45 cm, but lower shades were used than the 3½ model. The lighting was introduced in its current form in 1990.

Brand

Designer

Design year

Material

Glass

,

Metal

Origin

Denmark

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Description

Poul Henningsen designed the triple shadow system in 1925-1926. The first lights using the system were designed by PH in collaboration with Louis Poulsen for an exhibition in Paris. PH designed not just a light, but a whole system, and over the years around a thousand different models were produced. PH was the first to take a scientific approach to light, based on the logarithmic spiral. By using a design based on the logarithmic spiral, he achieved an even distribution of light along the entire curve of the shadow. This even distribution of light, together with the diffuse reflection from the glass, made it possible to control glare and shadow. PH light model numbers refer to the shade size. The PH 4½-3½ Glass Floor consists of a top shade of approximately 45 cm, but lower shades were used than the 3½ model. The lighting was introduced in its current form in 1990.

Technical Information

-Dimension: Ø 45 cm x Height: 125 cm -Light Source: 1x100W E27 bulb. -Cable length 330 cm.

-It works on/off with the switch on the cable.

-15.6 kg. -Materials;

  • Shadows Mouth-blown white opal glass
  • Anti-glare ring: Purple, bent aluminum
  • Top plate: High gloss chrome-plated, bent brass
  • Base: High polished chrome-plated, twisted brass
  • Handle: High gloss chrome-plated, steel

-There is a single color alternative in chrome.

-IP Value: IP20.

-Suitable for indoor use.

-The collection is also available in pendant and table lamp versions.

About Louis Poulsen
Founded in 1874, Louis Poulsen is a Danish lighting manufacturer born from the Scandinavian design tradition where form follows function. The function and design of our products are designed to reflect and support the rhythm of natural light. Every detail in the design has a purpose. Every design begins and ends with light.
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