. Asbestosteel for roofs and walls . DLLI^CRAMER-TRUITT CORPORATION, SUFFOLK, VA. Dry kilns covered witli Asbestosteel. This photograph %vas taken before the application of thi- reiaforcing fabric arifl concrete r KEYSTONE DRILLER COMPANY, BEAVER FALLS, PA. Typical installation of Asbestosteel Sawtooth Construction for forge shop roofs. Clear floor space isprovided, ideal lighting and ventilation conditions prevail and the entire construction is immune to anydeteriorating influences of coal gas from open forges.

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