Thanks, John, for that very timely last reference. I can't find a date, but if it was published in 1850, one assumes the "log book" refers to 1840s or earlier. On the other hand, the word "clipper" is used, which I believe must make it no earlier than the late 1830; 1840s seems reasonable. It is interesting because, I think, it is the first time we've seen "Grog Time" being used at halliards.