PPG Fiberglass Yarn Insect Screen Ad/Sample
This advertising sample/pamphlet was published prob. sometime in the 1950s by Pittsburgh Plate Glass Company (Fiberglass Division). 8.5"x11" when folded up, inside is an actual piece of sample screening material taped on to the pamphlet. The text advocates the new material's Dimensional stability, weather resistance, impact resistance, and flame resistance. Gives specs on available colors, mesh, widths, roll lengths, packaging, tolerances, shipping weight, etc. Also gives installation recommendations. Very good condition.
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