noun
or twofold tackle
: a tackle of two double blocks with the standing part of the rope fast to the block from which the hauling part comes
the twofold purchase … is commonly used for hoisting boats — Manual of Seamanship
noun
or twofold tackle
: a tackle of two double blocks with the standing part of the rope fast to the block from which the hauling part comes
the twofold purchase … is commonly used for hoisting boats — Manual of Seamanship
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012