Vol. 2 has subtitle: The electromagnetic field; 3 has subtitle: Quantum mechanics. https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries ...
The precise methodology of Richard Feynman's famous double-slit thought-experiment – a cornerstone of quantum mechanics that showed how electrons behave as both a particle and a wave – has been ...