4 ms·
Thankfully, we'll never have to wonder how river boats navigated the Mississippi without depth finders and radar. http://www.classicreader.com/book/2886/7/ htt
by pdx 16y ago
Thankfully, we'll never have to wonder how river boats navigated the Mississippi without depth finders and radar.
http://www.classicreader.com/book/2886/7/ http://www.classicreader.com/book/2886/7/
The Vikings may very well been similarly observant of their world, without resorting to sunstones.
- eru 16y agoThey would have probably resorted to all tricks they could find.