Magnetic Declination – a VERY simple explanation
19:52
Magnetic Declination Demystified
18:31
THIS is how to use a compass: (very) simplified
19:57
Planetary Poles and Magnetic Fields - Sixty Symbols
15:36
Magnetic Compass Errors: Variation & Deviation
8:10
How to calculate declination
19:33
Dead Reckoning for Land Navigation
32:26
This Toy Carved The Nicest Table I've Ever Made.
9:33