An Improved Dental Engine or Lathe
23,411. Schwalm, R. Nov. 19. Dental engines.-A dental engine or lathe is constructed so as to carry on a single shaft boring, drilling, cutting, grinding, polishing, and cleaning tools. The lathe head 4 is provided with three bearings 1, 2, 3, in which is mounted a tubular shaft 15 carrying a drivin...
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