Really nice old clam shell industrial lamp, I have no idea if it works or not, the cords look good and the switch seems to be OK. Nice combination of brass and copper the hood is 20″ long looks to take an 18″ bulb? Weighs in at about 7 pounds 10oz, the hood adjustment knobs seems to not hold still when moved. Take a look at the last 2 pics this was an award lamp for some type of organization dated Dec 5 1953.