Jack

From International Dictionary of Marine Aids to Navigation
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7-6-395

A device used for exerting a force, operating either by a screw action or using a hydraulic ram.


Note: In French a distinction is made between cric, a screw jack, and verin, a hydraulic jack.




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

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM