Original heating trade vintage catalog for SUPERIOR SKYLIGHT COMPANY, INC. Main office was located at 95 Webster Avenue, Long Island City, NY. Manufacturers of Automatic Gravity Stage Ventilators, for theater stages and auditoriums. Unbound from a large 1933 architectural catalog, this unique old one page technical brochure would display beautifully matted and framed. Nice graphics. A marvelous addition to your retro ventilation equipment library. Light damp stain on top and bottom edges.