9 marine autopilots; electronic apparatus for coupling electronic geographic position indicators to marine autopilots; electronic apparatus for connecting marine guidance equipment to computer networks; rudder angle indicators; speed logs; components of marine autopilots, namely, magnetic and hall-effect compasses, compass enclosures, compensating magnets and ferrites for compasses, heeling tubes, junction boxes, remote controls, rudder angle indicators, rudder angle encoders, limit switches, rectifier units, solenoids, relays, electric motors, and controllers; wind vanes and wind direction indicators