A modern guide to picture framing: why frames matter, common materials (wood, metal, gilding, composites), conservation best practices, and choosing a frame that suits the art and the space.
Heater vents (registers, grilles, diffusers) cover duct openings in floors, walls, and ceilings. Registers have dampers to control airflow; grilles do not. Materials include steel, aluminum, plastic, and decorative options. Routine cleaning and proper balancing keep systems efficient.
The Barcelona chair, designed by Mies van der Rohe and Lilly Reich in 1929, became a modernist icon for its steel frame, tufted leather cushions and visual clarity. Today it's prized for design history, comfort and visual versatility - though originals and licensed examples command a premium.