The fixture is designed based on the principle of a reflective three-shade system, which directs the majority of the light downwards. The shades are
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Louis Poulsen PH 2/1 Table LampPoul Henningsen designed the three-shade system during 1925/1926. The first lights using the system were designed for an exhibition in Paris. His work with Louis Poulsen continued until his death in 1967. Throughout his life, PH sought to create glare-free lighting; aiming to direct light where it was most needed, and creating soft shadows while using incandescent bulbs as a light source.
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