Crouse-Hinds imperial arc headlights and imperial incandescent headlights.
A 1916 trade catalogue from the Crouse-Hinds Company of Syracuse, New York, selling arc and incandescent headlights to railroads, streetcar lines, and industrial buyers. Halftone photographs show round cast housings in front, back, and side view, with hinged rims, bolt flanges, parabolic reflectors, exposed bulbs and sockets, and coiled cords; useful for circular machine forms, reflector textures, and gray-scale product plates.
