ve devoted all their energies to itsdevelopment. Only after a world-wide and finally successfulsearch for the finest, strongest and purestasbestos which can possibly be obtained, werewe willing to take up the manufacture ofRockbestos Wire upon a commercial scale. Now, after years of development and… … This piece of raw Rockbestos, just as it was received from the mine, shows theunusually long fibres. When pulled apart with the fingers this fibrous structureis very apparent — and a comparison of a sample of Rockbestos with ordinaryasbestos will make very evident the superiority of the former.…
