Copy letter from Robert William Frederick Harrison to the Under Secretary of State, Homw Office 'I beg leave to acknowledge the receipt of your letter of March 21st (154, 674/24) enclosing an order on the Paymaster General for £186.12.4 in defrayment of expenses incurred by the Royal Society during the past twelve months in connection with the investigation into Glassworkers' Cataract. With regard to the last paragraph in your letter, I would refer you to the letter from this office dated March 19th which crossed yours of the 21st.' 25 March 1912