(n.) a tool that helped sailors use the sun and stars to find their location
http://wiki.answers.com/Q/What_is_an_astrolabe_used_for
Astronomical instruments were probably made after Chaucer's designs, not before. Want to see the astrolabe used for astronomical calculations by Geoffrey Chaucer himself? You'll be lucky, says Catherine Eagleton, a curator at the British...
http://blogs.nature.com/news/blog/2007/06/is_this_chauc...
The ancient astrolabe was used to navigate long before the sextant or much more modern tools such as GPS. Today there is much less mystery associated with navigation for those who possess the right tools and also know how to use them. Howe...
http://www.astrolabepartners.com/the_astrolabe.htm
Surf this site: www.astrolabes.org will tell you how everything you need to know about astrolabes. You can get a cheap but sophisticated paper one or a computer program. There are links to at least two craftsmen who make functioning brass r...
http://www.blurtit.com/q7509969.html
I have downloaded the lastest set of files and have tried a number of ways of putting the files into the Addons folder, WinRar, Deleting and Copy and Pasting. Overwriting et al. All to no avail, i still have to untick the Waypoints Addon fo...
http://www.zygorguides.com/forum/showthread.php?t=1872
Formerly called Green Lake, Astrolabe Lake is located in the Whitewater Region of Renfrew County in Ontario, Canada . Astrolabe Lake is where, in 1867, Edward Lee, a local farmboy, found Samuel Champlain's long lost Astrolabe a plaque now s...
http://en.wikipedia.org/wiki/Astrolabe_Lake_(Ontario)
The astrolabe was invented by in Greece either by Hipparchus, a 2nd century B.C. astronomer, or Apollonius of Perga a 3rd B.C. mathematician.
http://answers.ask.com/Society/Philosophy/who_invented_...