two opposed american depression era vintage industrial mazda automobile incandescent lamp "rd" cabinet display panels designed and fabricated by or for the westinghouse lamp company, new york city, ny. the angled side panels are comprised of lithographed steel with a nicely aged surface patina. salvaged from an old chicago service station. the cabinet would have contained diminutive boxes with coiled tungsten filament light bulbs for headlights, etc. priced for the set.