|Alternative reference number||NLB/63 p380|
|Title||Copy letter from William Bate Hardy, Secretary of the Royal Society and FRS; to T. J. Baker Esq., King Edward's School, New Street, Birmingham|
|Date||24 November 1922|
I am very pleased to have the reprint of your interesting paper on "Breath Figures". I recollect very well the correspondence between Aitken and Lord Rayleigh on the subject, and I think you have found a quite simple solution of their difficulties.'