Tuesday Sept. 21st

Still working on 1/2500 map for General Leckie. Walk over to Steenwerch with Matheson (Assistant Draughtsman) - Call at Bureau de Cerf Mme Chieux has a collection of 84 different regimental crests British Official Enemy's Artillery has increased its activity - Sunday there were 9 air combats, two hostile aeroplanes being driven to the ground in the German lines- one fell enveloped in flames

BC Archives, MS-0392 Box 1 Volume 4 / FRANK SWANNELL PAPERS / Diary and enclosures, 1915.