One cannot simply rely on modern technology all the time, a good sailor should know how to use an old-school compass. Learn about its practice and history.
What force affects compasses? - Quora
How to Use a Compass Step-by-Step - Dalvey
A Step in the Right Direction: How to Choose the Perfect Compass
How to Use a Compass to Safely Navigate
How to Use a Compass to Safely Navigate
How to use a compass - Right Kind Of Lost
What makes the compass work and lead us always to 1 direction? - Quora
Explained: The science behind how compasses work - Times of India
How to Use a Compass Step-by-Step - Dalvey
How to use a compass to best effect - Tip #59 - The Summit Is Optional
Cut the Knot!: Geometric Construction With the Compass Alone Unit Plan for 9th - 10th Grade