Copy letter from Robert William Frederick Harrison, to Dr John Allen Harker, 22 Mount Ararat Road, Richmond, Surrey 'Dear Sir, Your letter of the 27th January was laid before the Council of the Royal Society at their last meeting, and permission for you to make a copy of your paper "On the Determination of Freezing Points" was granted. The original paper is not allowed out of the Society's custody, and your copy must, therefore be made here. I am, yours faithfully, Robt Harrison Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 12 February 1897