Thanks Niall,yes it's NOS.I got it on ebay a few years ago but noticed I didn't have it here on GOL.Originally I had it on LG but it was deleted some time ago and I have since uploaded the pic there too.
Is that a 12 inch diffuser? Is the bulb in at an angle? The tiny mounting arm and unusual ballast housing makes it a very unique light! Mercury vapor rules!
(...) Do you mean like that? My godparents have one of those, with a BT shaped coated bulb, Westinghouse I think. Will check this summer (maybe if they don't want it I could get the fixture)