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Alexander Smart
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1270. Smart, A. Jan. 17. Ball mills.- To preserve the corrugated or undulatory form of the lining of a ball or tube mill, the lining is made of two or more different materials A, B, Fig. 1, of varying degrees of hardness, separated or not by wooden packing- strips G. Fig. 3 shows a lining formed of blocks or squares C, D of different thicknesses. Alternate blocks or strips of manganese steel and cast or wrought iron or mild steel may be used.
GB190701270D1907-01-171907-01-17Improvements in Tube and Ball Mills.
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