1. The document discusses various lighting fixtures and lamps from the mid-century modern design era as seen on the TV show Mad Men, including table lamps, sconces, pendants, and flush mount ceiling lights. 2. Geometric shapes such as rectangles, squares, and circles were commonly used elements in mid-century modern designs, appearing not just in lamps but also wall installations. 3. Hardware from the era had a minimalist, clean design consisting of straight lines and stark surfaces.