Midcentury Kitchen Cabinets
Kitchen cabinets in mid century kitchens tended to be pretty simple looking -- a full overlay "slab" door with "radius edge", in either wood or steel, was quite common. There was some ornamentation, of course, especially as design moved into the 1960s and 1970s. Also check out Time Capsule Houses and Readers and Their Kitchens for more examples beyond what you may see in this category.