Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 20
leat /„•, and ismade fast round the timber-head /.When it is required to let go theanchor, a handspike is inserted be-tween the thumb-cleat i, so as to nipthe clamp e, and the hasp ^r is cast off; then, upon withdrawing the handspike, the bolt being no longerheld by the clamp e, turns upon its… … 18 ANGICA-W001)
Mechanical engineering · Mechanics · Engineering
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