
The SciencesDecember 1, 1938
Tools Must Be Fit
Hard Alloy; Cobalt, Chromium, Tungsten; Welded to Wearing Edges; Resists Wear; Withstands Heat; In Tools, Cuts Faster, Lasts Longer

Tools Must Be Fit
Hard Alloy; Cobalt, Chromium, Tungsten; Welded to Wearing Edges; Resists Wear; Withstands Heat; In Tools, Cuts Faster, Lasts Longer