首页 / 官方藏书 / The inventions, researches and writings of Nikola Tesla / With special reference to his work in polyphase currents and high potential lighting / Method of Obtaining Desired Speed of Motor or Generator.
首页 / 官方藏书 / The inventions, researches and writings of Nikola Tesla / With special reference to his work in polyphase currents and high potential lighting / Method of Obtaining Desired Speed of Motor or Generator.