inate the necessity of special coil-winding data andformulae. The Rockbestos, in the form of roving, is evenly wound upon the barecopper conductor and is then saturated with a special, chemically neutral,inorganic cement. Dependent upon the requirements of the purchaser,this cement renders… … Am ik tin- fibres ol Rockbestos ha tbed out parallel to one anod i the carding machine, the) are spun into i loose itrand or roving, as shownabove This rot ing is now n the insulating machines, where it will be wound upon tin* COndtK I k_ 0MD(TIIIE»§ flexibility and unsurpassed fire-proof,…
