Copy letter from Herbert Rix, to Messrs Drake & Gorham 'It was resolved at the last Meeting of the Council of the Royal Society that you should be requested to periodically inspect the Electrical plant here. Will you kindly inform me what annual charge you would make for doing this. I am, Yours faithfully, Herbert Rix Asst. Sec. RS [Assistant Secretary, Royal Society]'. 15 July 1887