New and improved type of davit for launching ships' lifeboats, makes possible rapid and safe launching under most adverse conditions of list and trim.
"Optimum" extending balance davit
Shipbldr Mar Eng-Bldr
Shipbuilder and Marine Engine-Builder ; 40 , n 274 ; p 87-89
1933
3 pages
Aufsatz (Zeitschrift)
Englisch
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