Double topping lift

From International Dictionary of Marine Aids to Navigation
Revision as of 12:00, 18 October 2008 by Oferiks (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

8-3-045

A double installation which takes the weight of a derrick and its load. It also eliminates the need for slewing guys.




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