Scope and Content
The photographs show the Moncrieff system of mounting artillery, also known as 'the disappearing system'. They are annotated in the hand of Moncrieff and show the system probably under trail at Shoeburyness, Essex, and have the 'lozenge' stamp of the War Departments photographic establishment is at top centre of the mount.
MON 1/2/2 - Photograph showing a gun mounted on a Moncrieff disappearing gun mount in firing position
MON 1/2/3 - Photograph showing a gun mounted on a Moncrieff disappearing gun mount in the loading position