How Does a Sextant Work?
14:34
Calibrating and Using A Sextant
7:16
Sextant Tutorial: The Principle of the Sextant
8:03
How a Wind Up Music Box Works
2:40:22
Celestial Navigation Made Easy - Part 1 of 2
26:26
Haversine Brian
52:45
The Sextant in Practice: Sun-Run-Sun explained
13:44
Can a $20 sextant tell me where I am ?
10:26