DUSENBERG, CORD, PACKARD, CADALLIC AND OTHERS. THIS IS FOR A PAIR TWO GLASS PIECES. TWOLITE HEAD LAMPS GLASS. SIZE 11.5 X 10 77/22. MADE IN THE USA. MADE BY MCKEE GLASS CO. DESIGN PATENT NO 17122. FOR USE WITH 21 CP TWO FILAMENT BLULBS. THE UNITS CAME OFF ONE OF MY FRIENDS DUSENBERG. I THINK…