9 Electro-dynamic apparatus for the remote control of signals; navigational instruments; voltage regulators for vehicles; surveying instruments; steering apparatus, automatic, for vehicles; observation instruments; surveying apparatus and instruments; teaching apparatus; optical apparatus and instruments; mirrors [optics]; electric sockets; controllers for servo motors; electronic controllers for servo motors; transformers [electricity]; inverters [electricity]; electric plugs; electric installations for the remote control of industrial operations; batteries, electric, for vehicles; battery chargers; battery boxes.