Derrick hoist

From International Dictionary of Marine Aids to Navigation
Revision as of 13:52, 15 February 2009 by Oferiks (talk | contribs) ((Derrick) hoist moved to Derrick hoist)
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8-3-055

Alternative terms(s) : Cargo purchase, main purchase (USA)

The main arrangement of blocks and ropes for hoisting and lowering weights, such as buoys, sinkers, etc.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)