The 2 inch medium trench mortar, also known as the 2-inch howitzer, and nicknamed the "toffee apple" or "plum pudding" mortar, was a British smooth bore...

3-inch trench mortar is a smooth-bore, muzzle-loading weapon for high angles of fire. Although it is called a 3-inch mortar, its bore is actually 3.2 inches...

Newton 6-inch mortar was the standard British medium mortar in World War I from early 1917 onwards. The Newton 6-inch replaced the 2-inch medium mortar beginning...

The Ordnance BL 9.2-inch howitzer was a heavy siege howitzer that formed the principal counter-battery equipment of British forces in France in World War...

The 2-inch Medium Mortar was designed and manufactured by the Royal Ordnance Factories in early 1915 and introduced along with the 1.57 inch mortar in...

The BL 9.2-inch Mk IX and Mk X guns were British breech loading 9.2-inch (234 mm) guns of 46.7 calibre, in service from 1899 to the 1950s as naval and...

3-inch mortar was the United Kingdom's standard mortar used by the British Army from the early 1930s to the late 1960s, superseding the Stokes mortar....

British service until they were replaced in 1916 by the 2 inch Medium Trench Mortar and Stokes mortar. Glenn E. Torrey (2001). Henri Mathias Berthelot: soldier...

The Ordnance BL 2.75-inch mountain gun was a screw gun designed for and used by the Indian Mountain Artillery into World War I. The gun was an improved...

infantry mortars. Internal bore size not warhead size. Comparable to 6 inch mortars Bore size, not bomb size, which was much larger 90 mm spigot size. Bomb...

ML 9.45 inch heavy trench mortar, nicknamed the "Flying Pig", was a large calibre mortar of World War I and the standard British heavy mortar from the...

and South African batteries until 1942 being superseded by the BL 4.5-inch medium gun. The effective use of modern heavy field guns by the Boers during...

replacement BL 5.5 inch Medium Gun came into use but it was reintroduced in Burma due to a number of premature detonations in 5.5-inch (140 mm) guns. It...

the 3.7-inch weapon until 1915. As a stop-gap, the barrel of the 10-pounder gun was mounted on an updated carriage to produce the 2.75 inch Mountain...

The Ordnance RML 2.5-inch mountain gun was a British rifled muzzle-loading mountain gun of the late 19th century designed to be broken down into four loads...

on so that enemy reinforcements could not safely reach the front lines. Mortars were revived by the Germans because of their ability to shoot at an angle...

Short Magazine Lee-Enfield rifle, its barrel was shortened to 25.2 inches (640 mm), 5 inches (130 mm) shorter than the preceding Magazine Lee-Enfield. British...

cartridges, as well as a .32 calibre revolver (the IOF .32 Revolver) with 2-inch (51 mm) barrel which is clearly based on the Webley Mk IV .38 service pistol...

French-made Sauterelle grenade launcher, and, in 1916, by the 2-inch medium trench mortar and Stokes mortar. Copies of the Leach catapult, made locally by the Royal...

concept of using the 1.59-inch breech-loading Vickers Q.F. gun, Mk II in the trenches was superseded by that of the trench mortar, which was simpler, cheaper...

The QF 4 inch Mk V gun was a Royal Navy gun of World War I which was adapted on HA (i.e. high-angle) mountings to the heavy anti-aircraft role both at...

since 1882. New Service revolvers, designated as Pistol, Colt, .455-inch 5.5-inch barrel Mk. I, chambered for the .455 Webley cartridge were acquired...

The QF 2.95-inch mountain gun was the designation given by the British to a Vickers 75 mm calibre gun. It was originally produced for the Egyptian Army...

cartridges used by countries around the world, and including a large caliber (.50 inch) as used on Royal Navy warships. The machine gun was 20 pounds (9 kg) lighter...

Ordnance BL 12-inch howitzer was a scaled-up version of the successful BL 9.2-inch siege howitzer. Following the success of their BL 9.2-inch howitzer, Vickers...

The QF 4.7-inch gun Mks I, II, III, and IV were a family of British quick-firing 4.724-inch (120 mm) naval and coast defence guns of the late 1880s and...

Ordnance QF 4.5-inch howitzer was the standard British Empire field (or "light") howitzer of the First World War era. It replaced the BL 5-inch howitzer and...

Ordnance BL 15-inch howitzer was developed by the Coventry Ordnance Works late in 1914 in response to the success of its design of the 9.2-inch siege howitzer...

The Livens Projector was a simple mortar-like weapon that could throw large drums filled with flammable or toxic chemicals. In the First World War, the...

was officially halted in 1916, being replaced by the 2 inch Medium Trench Mortar and Stokes mortar. No 21 R grenade Gary Sheffield (2007). War on the Western...