The Ordnance BL 5-inch howitzer was initially introduced to provide the Royal Field Artillery with continuing explosive shell capability following the decision to concentrate on shrapnel for field gun
Territorial Force gunners with howitzer in camp pre-WWI
A rear view of the BL 5-inch Howitzer.
Approaching Maddox Hill, Northern Cape, January 1900.
In action on Gallipoli, 1915.
The Ordnance QF 4.5-inch howitzer was the standard British Empire field howitzer of the First World War era. It replaced the BL 5-inch howitzer and equipped some 25% of the field artillery. It entered
BL 5-inch howitzer
…Natal when able to get close enough to bombard Boers in trenches. By 1908 it was obsolete and replaced in British Regular Army brigades by the modern QF 4.5-inch howitzer. Territorial Force brigades, however, continued to use the howitzer in World War I into 1916, including notably at the ANZAC and Suvla beachheads…
Camouflaged British 4.5 inch field howitzers at Arras, April 1917
Diagram of 4.5-inch howitzer
Gun with sand tyres around wheels, towed by camels, Egypt circa 1915–1916
A New Zealand battery in the UK 6 July 1940. The gun carriage (Mk1PA) has the Martin-Parry conversion. The limber is unconverted