Copy of letter to Lieutenant-Colonel Cliffe regarding Colonelcy of the 10th Regiment Copy of a letter from Colonel Mackenzie to Lieutenant-Colonel Cliffe, asking that he should approach the Commander-in-Chief with the suggestion that he should consider nominating Lieutenant-Colonel John Mackenzie to the Colonelcy of the 10th Regiment, in place of the late Lieutenant-Colonel Wemyss. Cawnpore 23 September 1799