You can find primary sources and authoritative biographies through these digital libraries:
: He demonstrated the first radio-controlled boat in 1898. skachat knigu o nikola tesla
: High-frequency transformers used in radio technology. Rotating Magnetic Field : The basis for induction motors. You can find primary sources and authoritative biographies
: Describe the rivalry between Tesla (AC) and Thomas Edison (DC), and why AC eventually won for long-distance power transmission. skachat knigu o nikola tesla
If you are writing a paper, here is a logical flow you can follow: