"I'll get an observation in the morning," he told McCoy, "though what my latitude is, is a puzzler. But I'll use the Sumner method, and settle that. Do you know the Sumner line?"
And thereupon he explained it in detail to McCoy.
The day proved clear, the trade blew steadily out of the east, and the Pyrenees just as steadily logged her nine knots. Both the captain and mate worked out the position on a Sumner line, and agreed, and at noon agreed again, and verified the morning sights by the noon sights.
"Another twenty-four hours and we'll be there," Captain Davenport assured McCoy. "It's a miracle the way the old girl's decks hold out. But they can't last. They can't last. Look at them smoke, more and more every day. Yet it was a tight deck to begin with, fresh-calked in Frisco. I was surprised when the fire first broke out and we battened down. Look at that!"
