"jlrogers±³©" wrote in message
et...
Yes, Shaun, there is. For your edification, I refer you to, "We, the
Navigators The Ancient Art of Landfinding in the Pacific," by David Lewis.
Specifically chapters 5, "Keeping course by Sun, Swills, and Wind,"
chapter

Would they be the '6 o'clock swills' they had in Australia before they
changed the drinking hours? It was a helluva job keeping any proper course
after those... :-)