Magnetic heading reference
Magnetic heading reference
Magnetic suspension and pointing system
Maneuver margin presenting
Map information displaying apparatus, navigation apparatus and p
Marine instrument
Marine instrument
Marine instrument
Marine instrument
Marine instrument
Marine instrument
Marine pitot tube
Marine propulsion unit with water speed measurement means
Marine sensor mounting mechanism
Marine speed log
Marine speed measuring device
Marine speedometer
Marine speedometer
Marine velocity detection device with channel to wash out debris
Means for controlling the displacement of a universally pivoted