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Lonsdale Battalion events that took place on 10 September.
- Enlistments: Ernest Frederick Hall (13738 Pte.).
- Battalion Companies are at the disposal of Company Commanders during morning.
- The Commanding Officer attends conference of COs held by Brigadier General Jardine at Support HQ in 'Harley Street.' 
- At 7:00pm Major General Rycroft visits Battalion HQ.
- A voluntary service is held at 6:00pm, conducted by Captain [?-Martin].
- Deaths: James Leighton (15274 Pte.).
- Battalion situated in the front line is relieved in the early hours of the morning by the 2nd King's Own Yorkshire Light Infantry and proceeds to billets in Wulpen.