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...

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...

The BL 15-inch Mark I succeeded the BL 13.5-inch Mk V naval gun. It was the first British 15-inch (380 mm) gun design and the most widely used and longest...

The BL 18-inch Mk I naval gun was a breech-loading naval rifle used by the Royal Navy during World War I. It was the largest and heaviest gun ever used...

The BL 9.2-inch Mk I–VII guns were a family of early British heavy breechloading naval and coast defence guns in service from 1881 to the end of World...

The British Ordnance BL 9.2 inch gun on truck, railway mounted a variety of surplus 9.2 inch naval guns, together with the custom-designed Mk XIII railway...

to the BL 9.2-inch howitzer but were quicker to manufacture and more mobile. They delivered a 200 lb (91 kg) shell to 12,300 yd (7.0 mi; 11.2 km). They...

The BL 13.5 inch Mk V gun was a British heavy naval gun, introduced in 1912 as the main armament for the new super-dreadnought battleships of the Orion...

The BL 6-inch gun Mark VII (and the related Mk VIII) was a British naval gun dating from 1899, which was mounted on a heavy travelling carriage in 1915...

The British BL 6-inch gun Mk XIX was introduced in 1916 as a lighter and longer-range field gun replacement for the obsolescent BL 6-inch gun Mk VII....

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...

53/87". Warship International. XXVI (2): 198–200. ISSN 0043-0374. Wikimedia Commons has media related to Elswick BL 12 inch 40 calibres naval gun. DiGiulian...

The Ordnance BL 6 inch 26cwt howitzer was a British howitzer used during World War I and World War II. The qualifier "26cwt" refers to the weight of the...

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...

and British artillery. 4-inch M1902 field gun BL 14-inch railway howitzer BL 14-inch howitzer BL 50-pounder gun BL 9.1-inch howitzer Canon de 155 C modèle...

The BL 12 inch Gun Mark X was a British 45-calibre naval gun which was mounted as primary armament on battleships and battlecruisers from 1906. It first...

in the British Royal Navy, where it was designated BL 14-inch gun Mk II. The design of the 14-inch/45-caliber dates to about 1910. They entered service...

Indian Army first requested a modern mountain gun in 1906 to replace the BL 10 pounder Mountain Gun, which had been hastily developed after the Second...

The Ordnance BL 60-pounder was a British 5-inch (127 mm) heavy field gun designed in 1903–05 to provide a new capability that had been partially met by...

The BL 6-inch gun Marks II, III, IV and VI were the second and subsequent generations of British 6-inch rifled breechloading naval guns, designed by the...

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 BL 4-inch Mk IX naval gun was a British medium-velocity naval gun introduced in 1917 as secondary armament on the Renown-class battlecruisers and...

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...

of the smaller BL 9.2-inch Railway Guns in service by the end of the war, which together fired a total of 45,000 rounds. The BL 12-inch railway gun, had...

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...

The BL 12-inch Mark XI and Mark XII gun were British breech loading (BL) naval guns of 50-calibres length mounted as primary armament on dreadnought battleships...

The BL 4.5 inch medium gun was a British gun used by field artillery in the Second World War for counter-battery fire. Developed as a replacement for...

The Ordnance BL 5-inch howitzer was initially introduced to provide the Royal Field Artillery with continuing explosive shell capability following the...

The BL 9.2-inch Mark XI gun was a British 50 calibre high-velocity naval gun which was mounted as primary armament on armoured cruisers and secondary...

The BL 7.5-inch Mk II–Mk V guns were a variety of 50-calibre naval guns used by Britain in World War I. They all had similar performance and fired the...