9 MARINE INSTRUMENTS AND CONTROLS; NAMELY STEERING DEVICES, ENGINE MONITORING DEVICES, THROTTLES, TACHOMETERS, MEMORY TACHOMETERS, CONTROLS AND NOISE ABATEMENT MUFFLERS, MARINE NAVIGATIONAL INSTRUMENTS, NAMELY, COMPASSES AND DEPTH SOUNDERS AND MARINE OPERATIONAL DEVICES; NAMELY, BOTH LIQUID FILLED AND DRY SPEEDOMETERS, PITOT MOUNT ASSEMBLIES, ELECTRONIC AND MECHANICAL MONITORING INSTRUMENTS FOR FUEL AND OIL PRESSURE, FUEL LEVEL, TRIM, WATER AND OIL TEMPERATURE, WATER AND FUEL PRESSURE AND VACUUM BOOST, WATER TEMPERATURE INDICATORS, BILGE MONITORS, AND FLO-METERS, TOGETHER WITH ALL PARTS THEREOF