Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 22
-cleat k, and ismade fast round the timber-head I.When it is required to let go theanchor, a handspike is inserted be-tween the thumb-cleat k, so as to nipthe clamp e, and the hasp g is cast off; then, upon withdrawing the handspike, the bolt being no longerheld by the clamp e, turns upon its pivot… … 18 ANGICA-WOOD. 24. d elevation, and Fig. 25 the plan, a is a cast-iron carriage, bolted through the ships side, and supportingthe hook d by a pin or pivot at b : d e a lever turning upon a centre /, the end d being formed into ahook, which clasps the upper end of the bolt 6, the lever being…
Mechanical engineering
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