单词 | pendulum level |
释义 | > as lemmaspendulum level ΘΚΠ society > occupation and work > equipment > equipment for marking out work > [noun] > level level1340 water level1563 leveller1693 spirit level1718 pendulum level1728 bubble level1814 Y level1845 striding level1878 1728 E. Chambers Cycl. at Level Plumb, or Pendulum Level: That which shews the Horizontal Line by means of another Line perpendicular to that described by its Plummet, or Pendulum. 1874 W. M. Gillespie Man. Princ. & Pract. Road-making 94 A modification of the plumb-line level, which has the advantage of being self-adjusting, is called the ‘Pendulum level.’ < as lemmas |
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