Okay, the Nightingale Sank, But a Part of It Remains, Is There a Mystery?

Here are some clues:

Eliot, Maine

A  clipper ship

A Swedish Singer

P.T. Barnum

A slave ship

A U.S. warship

A merchant ship

Norway

Start thinking hard.

There is a clue to the right of this.

What Part Remains.  --Old B-Runner