... he said, "as soon as the line breaks we set about finding where it is broken. To do this we use an instrument called the Wheatstone bridge. In this case the break is about six hundred miles from the American shore. The next thing is to get at the company's repair ship. She lies, usually, at Halifax when she isn't busy, and that is where she was this time. We wired ... — Cap'n Eri • Joseph Crosby Lincoln