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单词 tail-block
释义

> as lemmas

tail-block
tail-block n. (a) Nautical: see quot. 1769; (b) in a sawmill carriage, a support of the log at the end where the cut ends; (c) in a lathe = tail-stock n.
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society > travel > travel by water > vessel, ship, or boat > equipment of vessel > tackle or purchase > [noun] > system of) pulley(s) > specific forms of block
snap-block1626
tail-block1769
notch-block1788
strap-bound-block1794
monkey1834
strap-block1875
butterfly block1882
society > occupation and work > equipment > machine tool > lathe > [noun] > tail-stock
foot stock1855
tail-stock1864
tail-block1881
1769 W. Falconer Universal Dict. Marine Tail-block, a small single block, having a short piece of rope attached to it, by which it may be fastened to any object..either for convenience, or to increase the force applied to the said object.
1829 F. Marryat Naval Officer I. viii. 229 A tail block was attached to the boom iron.
1881 F. Young Every Man his own Mechanic §591 The tail-block [of a lathe] has a sliding spindle worked by the screw and wheel.
extracted from tailn.1
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更新时间:2024/12/24 20:26:44