Fathometer being installed on motorships of South African Dispatch Line, gives to navigator reliable and practically instantaneous indication of exact depth of water under his keel.
Protecting Pacific Ocean shipping
Pac. Mar. Rev.
Pacific Marine Review ; 26 , n 11
1929
1 Fig.
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1933
Pacific refrigerative shipping
Engineering Index Backfile | 1930
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