No offence, just a few tips that enhance readability of your posts... - Sentences stars with a character in upper case. - Sentences ends with a period. - Cook is spelled with upper case "C". That way, readers will think more about what you actualy are saying, not the way you say it. (Btw, what made you spell "Australia" with an upper case "A" ?) Jan-Erik S=F6derholm. Jake Anderson wrote: >well the book longnitude has them accurate to a few seconds a month on = a >heavily pitching ship (though captain cook (discoverer of Australia) = had 17 >of them on board) >traditional grandfather type clocks are probbably on the order of a = second >or 2 per day -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics