The Ritchie® B-51 Explorer bracket-mount compass offers scientifically matched sapphire jewel and hardened steel pivot dial movement with powerful DirectiveForce magnets for fast heading lock-on. It displays internal green night illumination and has built-in compensators to easily adjust for deviation.
Features
Model Number: B-51
2 3/4-in easy to read direct reading dial
Adjustable and removable with bracket and thumbscrews
Internal green night illumination
Built-in compensators to easily adjust for deviation
Scientifically matched sapphire jewel and hardened steel pivot dial movement
Powerful DirectiveForce magnets for fast heading lock-on
Movable sun shield
High-temperature composite construction for extended operating range