Electric Waves: Being Researches on the Propagation of Electric Action with Finite Velocity Through SpaceHeinrich HertzAgotado4,3Notifícame
Signalling Through Space Without Wires: Being a Description of the Work of Hertz & His SuccessorsHeinrich HertzAgotado4,3Notifícame
Electric Waves: Being Researches on the Propagation of Electric Action With Finite Velocity Through Space / Authorised English TranslaHeinrich HertzAgotado4,3Notifícame