|Alternative reference number
|Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Principal John Yule Mackay; University College, Dundee
|27 October 1915
|Reply to an earlier letter from Principal John Yule Mackay. Informs him that Professor Gibson's is among the names that have been sent in to the Admirality and War Office among those of men of science now serving in the forces.