Letter from Frederick Corry, C Battery, 47th Brigade RFA, 14th Division, to Richard Dixon Oldham Thanking Oldham for his letter and advertisements on chronoscopes. Outlines the reception of his gunnery scheme by the Army. He was eventually sent for by the Intelligence Department who told him that the French had developed something similar, but independantly. He has heard nothing more and expects to embark shortly. 10 May 1915