Glass is now going to war in a big way as a replacement for copper, aluminum, bronze, other scarce metals. Already centrifugal pumps with impellers, plates and other parts of glass are whirring. U.S. laundresses will shortly wield electric irons having glass sole plates. Glass plumbing for private homes may be around the corner. Industrial glass plumbing is already here to stay. Recent developments include easy-to-use glass-welding gadgets so simple that ordinary maintenance employes in the U.S. food industry can be trained to repair and even to install glass plumbing. The U.S....
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