Design by J. Stone and Co embodies new principle that arm is freely suspended in deck frame by double linkage system; outboard traveling movement to carry boat over ship's side and integrated movement of arm to disengage and lower boat is accomplished solely under action of gravity.
Stone marpa gravity davit
Mar Engr Naval Architect
Marine Engineer and Naval Architect ; 76 , n 918
1953
3 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1931
New type of ships' gravity davit
Engineering Index Backfile | 1956