Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to the Secretary of H. M. Office of Works, Engineering Division; Western District, Orange Street, W. C. Informs the Secretary that no record can be found of overhauling the boiler last year. Notes that the overhauling is said to have taken place in response to a telephone request which does not appear to have been confirmed in writing. 7 March 1919