New Materials Available to Purchase

Brief Particulars of Recently Introduced Materials likely to have Aircraft, Missile or Space Vehicle Applications. A novel combination of chemically strengthened glass and stretched acrylic plastic is being used in the windscreens of the Boeing 747 aircraft. The wind‐screens themselves have been developed and are manufactured by the Sierracin Corporation of California and the outer layer of each windscreen is a pane of ·085 in thick Chemcor chemically strengthened glass, manufactured by Corning Glass Works.