|Alternative reference number
|Copy letter from Robert William Frederick Harrison, to Professor William Edward Ayrton, Fellow of the Royal Society
|13 July 1905
|Asks Ayrton to advise as to the reply to be sent to the enclosed letter from the St James & Pall Mall Electric light company [not enclosed], regarding an electric light meter [not enclosed].
Fellows associated with this archive
|Ayrton; William Edward (1847 - 1908)
|1847 - 1908