Louis Poulsen PH 4/3 Table Lamp by Poul Henningsen (Two Available)Poul Henningsen designd 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. PH 4 3 Table is a member of the three shade family. In good