Keasbey & Mattison Company

• The Keasbey & Mattison Company, Ambler Penna., offers to the building trade asbestos shingles, slates and sheathings
• Asbestos shingles, slates and sheathings
• Description of a sectional and portable fireproof house, shelter or camp for the use of tuberculosis patients designed for the use of 8 persons
• Perfection in coverings