We have an Eveready camping light in yellow, clear and off white.  It measures about 6 1/2" in H x about 2 7/8" square with one corner jutting out a bit to allow for the light to lift and swivel.  The bottom is marked to use an N 509 battery and it is marked Eveready on the side and bottom.  I wiped it down with a damp cloth, there is still soiling on it including 1 side of the clear plastic has brown residue on one side.  I imagine it would clean a bit better with a chemical but I'm unsure if it would clean completly.   It comes without the battery - I did not have a battery to test therefore I do not know if it functions or not.

camping light Eveready Vintage