Sentence Examples

  • The employment of powdered bort and the lapidary's wheel for faceting diamonds was introduced by L.
  • Diamonds are now employed not only for faceting precious stones, but also for cutting and drilling glass, porcelain, &c,; for fine engraving such as scales; in dentistry for drilling; as a turning tool for electric-light carbons, hard rubber, &c.; and occasionally for finishing accurate turning work such as the axle of a transit instrument.

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