The number 106 fuze was the first British instantaneous percussion artillery fuze, first tested in action in late 1916 and deployed in volume in early 1917.
Early model No. 106 Mk II, without safety shutter, 1917
Later No. 106 E Mk IV with safety shutter, showing before use, before firing, during flight and on impact, and action of tape and shutter
Unassembled 18-pounder shell, 106 Mk II fuze and safety cap
The Ordnance QF 13-pounder field gun was the standard equipment of the British and Canadian Royal Horse Artillery at the outbreak of World War I.
Battery and detachments of the Honourable Artillery Company (HAC) near Belah, Palestine, March 1918
Photo showing gun team galloping into action
13-pdr state saluting guns of the King's Troop, Royal Horse Artillery at the 2009 Trooping the Colour
A 13-pounder of the King's Troop, Royal Horse Artillery, firing a gun salute in Hyde Park, London in April 2018.