Guys.I think you are going to get a kick out of this??Was told its from thr 1920s:w00t:.A VULCAN RADIO LIGHTING ARRESTER still in the boxop:.Wish i had a picture of it.No cam.Its clear glass about 4 inches long.Two mounting holes.Has two screws to hook the ground up.Like i said its from the 20s never used. Right in the middle of the clear class between the 2 screws it says VALCAN. Any takers73s coathanger N.E P.A.