Have been wondering for a long time, have had 2 trouble lights, the first I gave to a friend, and that had a C arrow stamped bulb in it, and I still have this second one, but no C markings, just a US bulb number.
Nothing else on the body, or inside, no markings at all!!!
Does anyone recognize it??
Cheers,
Lex
ps, it's about 2,5-3 inches diameter.