Science Fair Project Encyclopedia
Backstaff
The backstaff is a navigational tool that was used to determine latitude. It worked the same way as the Astrolabe except instead of looking at the sun, users kept the sun to their back to prevent damage to their eyes.
10-26-2009 08:16:03
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


