Original 1941 industrial heating trade vintage catalog for the L J WING MANUFACTURING COMPANY.  Main office was located at 154 West 14th Street, New York, NY. The works was located in Newark, NJ. 

Design and Manufacturer of Air-Handling Equipment for More Than 60 Years.

The L. J. Wing Manufacturing Company, for the past 20 years, has pioneered and developed the ceiling suspended, light-weight Unit Heater, projecting the heated air vertically downward to the working level.

Has numerous product images, illustrations, description, application and specifications charts provide product details.

Unbound from a large rare 1941 Industrial Catalog, this unique old sixteen-page technical brochure would display beautifully matted and framed. Awesome cover graphics. A fabulous addition to your retro industry library. (Bulletin HR-1).