Original locker trade vintage catalog for CAPITOL MAIL CHUTE CORPORATION. Main office and factory was located at 55 Cozine Avenue, Brooklyn, NY. Manufacturers of Commercial building boxes. Used in Mercantile National Bank Building, Dallas, TX, Chase Manhattan Bank of New York City, NY, Home office facilities Humble Oil & Refining in Houston, TX, and Tower East Apartment House, 90 Park Avenue, NYC. Model AL and E chutes, auxiliary, single and multiple boxes are pictured. Typical layout, suggested chute details and illustrated. Unbound from a large 1964 architectural catalog, this unique old eight page technical specifications brochure would display beautifully matted and framed. A fantastic addition to your retro locker collection. Pages are detached and may contain a small amount of residual glue on edge.