My inventions : with the correspondence between Nikola Tesla and Hugo GernsbackNikola TeslaAgotado4,3Notifícame
Белешке из Едисонове фабрике машина = Notebook from the Edison machine worksNikola TeslaAgotado4,3Notifícame
Tesla's Experiments with Alternate Currents of High Potential & High FrequencyNikola TeslaAgotado4,3Notifícame
