1966 Perfect Circle Valve Seals and similar items

In good antique condition with typical paper wear for its age. May have small stain spots or edge tears/roughness...inspect pics closely. Approx 9 x 6" From the Popular Science Magazine issue 1966 ***Disclaimer on old/vintage/antique books/paper and the like: Some wear from age, use and storage which may or may not include some, none or all of the following: writing/personalized notes on inside covers and title pages(or notes on pages in the case of songbooks and sheet Music), small tears, creasing, etc.... all typical Vintage and antique book wear. Opposite side may have images or printing related to or unrelated to item shown. See top of description for any outstanding flaws. **All items pictured are fully usable and/or functional unless otherwise noted** Inspect pics closely and ask any questions before buying or offering. Tons more toys, collectibles, paper, antique, vintage ephemera, maps, engravings, prints, vinyl, vhs, media, books, bags, handmade and more! Will combine shipping