Title: Ehret Magnesia Manufacturing Advertisement
- Enduro is made of Diatomaceous Earth and Asbestos
- 85% Magnesia contains asbestos
- Fibrekote contains asbestos
- Valley Forge Packings - High Heat Asbestos Packings,
Asbestos Valve Stem Packings, Asbestos Yarn Special Service Packings,
Rope, Wick & Cord Packings, Sheet Packings
- Asbestos Paper Products
Ehret Magnesia Manufacturing Co Inc
2 Sheets Advertisement/Catalog Description (Reverse sides have unrelated info.)
Undated, possibly 1930s.
Condition: Good. Carefully removed from a publication.