Papers of the Sykes family of Sledmere > Papers of Sir Mark Sykes (1879-1919) (Second deposit of Papers of the Sykes family) > Correspondence > File of general correspondence. Letters and telegrams to Mark Sykes > Letter from Lieutenant Colonel C. Hall Assistant Director of Ordnance Stores, Northern Command, about the loan of a gun, gun carriage and limber for experimenting with farm wagon drivers.