Why assume that whatever attacked the bathyscaphe did it of its own accord?
I'm talking about the bathyscaphe that ought to be in Manila any day now.
The yacht seemed to tiptoe away from the scene of the bathyscaphe's destruction.
And maybe you should tell them about the Pelorus and the bathyscaphe.
"I'm trying to picture myself going down in a bathyscaphe," said Terry hastily.