I am indebted to Professor N. F. Mott, F.R.S., Cavendish Professor of Experimental Physics in the University of Cambridge, for permission to reproduce Maxwell's diagrams and the plates showing his apparatus. This paper is based on part of a thesis submitted for the degree of Ph. D. in the University of London.
Notes
I am indebted to Professor N. F. Mott, F.R.S., Cavendish Professor of Experimental Physics in the University of Cambridge, for permission to reproduce Maxwell's diagrams and the plates showing his apparatus. This paper is based on part of a thesis submitted for the degree of Ph. D. in the University of London.