The Keasbey & Mattison Company, Ambler Penna., offers to the building trade asbestos shingles, slates and sheathings : as the cheapest coverings for permanent buildings .. . by L. Hatscheksreissued patent No. 12,594, under date of January 15,igoy, for a fireproof building material, composed entirelyof asbestos fibre and hydraulic or Portland cement, marksan epoch in the building industrv and a new birth in thematter of fire protection, so far as fireproof construction isconcerned. Being fireproof and not affected by continuous mois-ture or frost, or subject to deterioration by ihe elements in
The Keasbey & Mattison Company, Ambler Penna., offers to the building trade asbestos shingles, slates and sheathings : as the cheapest coverings for permanent buildings .. . by L. Hatscheksreissued patent No. 12,594, under date of January 15,igoy, for a fireproof building material, composed entirelyof asbestos fibre and hydraulic or Portland cement, marksan epoch in the building industrv and a new birth in thematter of fire protection, so far as fireproof construction isconcerned. Being fireproof and not affected by continuous mois-ture or frost, or subject to deterioration by ihe elements inany way, it is obvious that asbestos shingles and asbestosbuilding lumber may be employed freely and confidentlyin a vast variety of places where ordinary lumber hasfailed. Primarily designed to replace the ordinary roof cov-erings only, its merits have been found to be such that itsemployment by our best architects and engineers hasextended to all classes of work wherein its many desirablequalities have supplanted other materials heretofore com-monly in use. It is perhaps superfluous to an educated person to saythat asbestos shingles, slates, or sheathing made wholly. St. Bernard s Roman J. W. SHThe Root wkicb outlasts the Buil Asbestos Century Shingles make the Cheapest Permanent Roofing—Never Require Paint—Last Forever—Sold Everjrwhere Asbestos Century Shingles Last Forever. Never Require Paint. They are the Cheapest Slates for Permanent Roofing of mineral fibre, asbestos and hydraulic cement, are bothfireproof and indestructible. Asbestos, or mineral ,as it is often called, from its peculiarity of crystalizing infibres instead of in ordinary crystals, as is the usual casewith mineral materials, and hydraulic cement have beenknown, from earliest times, as among the most refractoryof substances. The old Greek and Roman remnantsof antiquity, composed largely of hydraulic cement,remain mute witnesses of the everlasting quality of thismaterial. \
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