The Feynman Lectures on Physics PDF(kolegite.com)

https://kolegite.com/EE_library/books_and_lectures/%D0%A4%D0%B8%D0%B7%D0%B8%D0%BA%D0%B0/The%20Feynman%20Lectures%20on%20Physics%2C%20Vol.%20I%2CII%2CIII%20The%20New%20Millennium%20Edition%20by%20Richard%20P.%20Feynman%20%28z-lib.org%29.pdf