compass based on an indicator (as a magnetic needle) that points to the magnetic north
- Charles Walcot investigated the magnetic compass bearing sense in pigeons.
- It was innovation in Muslim communities that developed the order of algebra; our magnetic compass and tools of navigation; our mastery of pens and printing; our understanding of how disease spreads and how it can be healed.
- Magnetic compass
- Standard magnetic compass 
- A magnetic compass;
- a magnetic compass;
- Spare magnetic compass 
- Magnetic compass for high-speed craft
- Magnetic compass for high speed craft