|Sectional Committee: Not stated [Physics]
Communicated by Paul Adrien Maurice Dirac. Previous papers by the same author, communicated by Ralph Howard Fowler or Paul Adrien Maurice Dirac, have been passed without referee. Joseph Proudman finds that if Paul Adrien Maurice Dirac has seen the paper and finds it suitable, then it can be passed without further report.
[Published in the 'Proceedings of the Royal Society of London']
Endorsed on recto as received 4 January 1945.