They devised a mind-boggling array of boats, rafts, buoys, garments ... Salt Device Patent Model National Museum of American History Patent Model for Hosley Ship's Model Measurer, 1851 National Museum ...

The tragic incident comes after Coast Guard teams rescued four Americans stranded on a raft in the Atlantic ... they were forced to abandon ship after their boat struck a boat and sank.

One witness who allegedly saw the boat's wreckage took to Facebook saying, "As our Cruise Ship passed by the recovery ... saved four Americans adrift on a raft in the Atlantic.