Chargers for electric batteries; acoustic couplers; alarm apparatus, namely, alarm installations and alarms, sound alarms; analyzers, for general research uses, namely, acidity analyzers, liquid analyzers, residual gas analyzers; aerials; electronic notice boards; thermionic valves radio; sound recording apparatus; automatic distribution machines, namely, electrical power distribution machines; batteries, electric; photo telegraphy apparatus; chips as integrated circuits; magnetic encoders; e...