Marconi

Class [9]
Computer & Software Products & Electrical & Scientific Products

Wireless telegraphic transmitting apparatus; wireless telegraphic and telephonic transmitting and receiving apparatus for use in communications for tolls; complete wireless telegraphic and telephonic transmitting and receiving installations in ships and aircraft, primarily intended for navigational purposes; thermionic valves for all the aforesaid apparatus, the said valves being supplied by the constructors of the aforesaid apparatus either directly or indirectly, but not through retail shops to the purcaser or user; electrical apparatus and instruments for measuring electrical, physical and chemical characteristics and properties and for deriving therefrom indications, records and controls.