|Alternative reference number
|Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to E E T Hinde, "Brixton", Buller Street, Edgecliffe, Sydney, NSW, Australia
|8 September 1915
|'In answer to your letter of July 22nd to Sir William Crookes, I beg to say that no doubt the Physical Society would be interested in your gyratory phenomenon.
The address is "The Secretaries, Physical Society of London, Imperial College of Science, South Kensington, London, SW".'