With the enameled metal shade No 334, and the wire hanger mounted on the burner. I kind of like this setup. It can cope with some rather rough handling due to the metal shade, and the hanger makes it more flexible. The R55 generater is most certainly not original. I would expect a Q99 on this model. Also the collar below the stem is incorrect. It should be nickelplated, not painted in black as it is now. The tank has no markings whatsoever, so I don't know the date of the lamp. However, the control wheel looks later to me.