I can never get the blasted hyperlinks to work right, but the accounts I found of my ancestor's travels are found well documented in
http://www.fullbooks.com/A-General-History...agesx24519.html Clicking back to the start (My section was chapter 10 mostly) should give a fair bit of info. If the url doesn't go there for you, a google search for 'john clipperton ship speedwell 'shows the fullbooks link a few answers down. I realize the time-frame isn't quite what you're looking for, but I wonder how much things changed in 40 years back then?
ps; here's to all the ladies