(I'm cheating here. Not only didn't I polish the brass for this photo but the lamp is not really vertical or attached to the wall. I laid the lamp on a canvas sack on the floor and held up its tail with one hand as I took the picture with the other. Then I turned the picture upright.)
The one on the wall of the ladies' cabin in yesterday's picture was a little different. I don't remember for sure which style came first.