Original door trade vintage catalog for HOWELL MANUFACTURING COMPANY. Main office was located at Cottman and Hasbrook Avenues, Philadelphia, PA. Manufacturers of How-ell-dor Sectional Doors. El Dorado, E-33, E-34, Brennan B-43, B-64, B-284, Picture Door B-25, B-245, How-ell-dor H-2104, H-64, H-65. Fre-Flyte FF-64, FF-65, FF-66, FF-86, FF-85, Flush Type FD-1, FD-2, H-35 streamline doors pictured. Special design doors clearances required, framing details, general specs provided and electric operators listed. This unique 1954 old eight page technical specifications brochure would make a marvelous addition to your retro architectural design library. Pages are loose and contain a small amount of residual glue on edge.