Original 1941 industrial glass trade vintage catalog for the H H ROBERTSON COMPANY.  Main office and plant was located in Pittsburgh, PA.

Manufacturers of Robertson Weatherproof Skylights (Puttyless Type).

Products include Single Pitch Hatch Type, Double Pitch Type and Robertson Streamlined Structural Sidewall Sash, are all fully featured.

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

Unbound from a large rare 1941 Industrial Catalog, this unique old four-page technical brochure would display beautifully matted and framed. Nice graphics. A fabulous addition to your retro industry library. Pages are loose.