Title: Continental-Emsco Advertisement
It says, "Packings such as Teflon, Buna N, asbestos, blue African asbestos, and Teflon-Asbestos combination are available for your specific requirements."
Please see the photo for the context.
Continental-Emsco Ball Bearings, Swivel Joints, and Fabricated Assemblies
Continental-Emsco Company, a division of the Youngstown Sheet and Tube Company
2 page advertisement
Date: No copyright date, but this was removed from a 1969 bound collection.
Condition: Acceptable. Pages are tan from age. Some edge wear.