Magnetic instruments, namely compasses, inclinometers, magnetometers, and parts and fittings therefor; Control and measurement sensors, namely wind speed sensors, wind direction sensors, rotary position sensors, and rotary acceleration sensors, and parts and fittings therefor;Joystick assemblies for sensing force magnitude and direction, which can be used as wind direction and speed sensors, and parts and fittings therefor; Joystick assemblies for providing control inputs, and parts and fitti...