单词 | planking-screw |
释义 | > as lemmasplanking-screw ΘΚΠ society > travel > travel by water > vessel, ship, or boat > shipbuilding and repairing > [noun] > shipbuilding > tools and equipment ram-line1664 set1794 poker1823 horning-tackle1850 planking clamp1862 stower1863 planking-screw1864 ram1867 bending slab1890 warrok- 1864 Sci. Amer. 23 Apr. 268/2 42,222.—Planking Screw.—Abram Perrin, Cleveland, Ohio: I claim the bar, A, arms, B,..the several parts being arranged and operating as and for the purpose specified. 1875 E. H. Knight Pract. Dict. Mech. Planking-screw, an implement for straining planks against the ribs of vessels. < as lemmas |
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