The Obice da 210/22 modello 35 was an Italian heavy howitzer designed by the Italian Arms and Munitions Technical Service (STAM) and accepted into service by the Italian Army in 1938. A total of 346 were ordered and the gun was produced by Ansaldo at their Pozzuoli factory. However production was slow and approximately 85 were produced by mid 1943. After Italy surrendered Germany seized as many as they could and a factory in Northern Italy continued to produce guns for the German Army until the end of the war. The carriage was split trail with four wheels which raised from the ground for firing and the gun was trunnioned under the breech to allow for maximum recoil and elevation.
The 6-inch siege gun model 1877 was a Russian 152.4 mm (6 in) fortress gun, siege gun and coastal defense gun. It was used in the Russo-Japanese War, World War I, and the Russian Civil War. The successor states of the Russian Empire also inherited a number of M1877 guns.
The Canon de 155 C modèle 1917 Schneider, often abbreviated as the C17S, was a French howitzer designed by Schneider. It was essentially the Canon de 155 C modèle 1915 Schneider fitted with a different breech to use bagged propellant rather than the cartridge cases used by the older howitzer. It was used by France, Russian Empire, Belgium, Romania, and the United States from 1917 during World War I and was widely exported after the war. Surviving weapons were in service with France, Poland, Greece, Italy, Belgium, the United States, and Finland during World War II. Captured weapons were used by the Germans for their 2nd-line artillery and coast defense units.
The Mortaio da 210/8 was a siege howitzer which served with Italy during World War I and World War II.
The EOC 10 inch 40 caliber guns were a family of related guns designed by the Elswick Ordnance Company and produced by Armstrong Whitworth in the 1890s for export customers. EOC 10 inch 40 caliber guns were the primary armament of armored cruisers, ironclads and pre-dreadnought battleships built or refit during the 1890s. These guns and their licensed derivatives armed ships of the Argentine Navy, Imperial Japanese Navy, Regia Marina and Spanish Navy. They served in the Russo-Japanese War, Italo-Turkish War and World War I.
The EOC 8 inch 45 caliber were a family of related 8-inch (203 mm) 45 caliber naval guns designed by the Elswick Ordnance Company and manufactured by Armstrong for export customers before World War I. In addition to being produced in the United Kingdom licensed variants were produced in Italy and in Japan. Users of this family of gun included the navies of Argentina, Chile, China, Italy, Japan and Spain. This family of guns saw action in the Spanish–American War, Boxer Rebellion, Russo-Japanese War, Italo-Turkish War, World War I and World War II. In addition to its naval role it was later used as coastal artillery and siege artillery after the ships it served on were decommissioned.
The Mortaio da 260/9 Modello 16 - was an Italian Heavy mortar and Siege Gun designed by the French Schneider Company and produced under license in Italy by Ansaldo and Vickers-Terni for the Italian Army. It was used by the Italian Army during both the First World War and Second World War.
The Obice da 149/12 was an Italian howitzer produced under license in Italy by Ansaldo and Vickers-Terni which was used during World War I and World War II.
The Obice da 280 was an Italian coastal defense and siege howitzer designed in 1884 by the British Armstrong firm and produced under license by the Ansaldo company during the late 1800s. It was used during both the First and Second World Wars.
The Cannone da 149 G later known as the Cannone da 149/23 was an Italian fortress gun and siege gun which served with Italy during the Italo-Turkish War and World War I. Captured guns may have been used by Austria-Hungary.
The 8-inch mortar M1877 was a Russian 203 mm (8 in) coastal, fortress and siege mortar that was used in the Russo-Japanese War and World War I.
The 9-inch mortar M1877 was a Russian 229 mm (9 in) coastal, fortress and siege mortar that was used in the Russo-Japanese War and World War I.
The 15 cm Ring Kanone L/30 was a naval gun and coastal artillery piece that was used by the German Navy before the First World War that was converted to a siege gun for the German Army during the First World War when the ships that carried it were decommissioned.
The 21 cm Versuchmörser 06 was an experimental German howitzer which served in limited numbers during World War I.
The 28 cm Haubitze L/14 in Räderlafette was a prototype German siege howitzer which served during World War I.
The Type 7 30 cm howitzer was a howitzer used by the Imperial Japanese Army in the Second Sino-Japanese War, Soviet–Japanese border conflicts and during the Pacific Campaign in World War II. The designation Type 7 indicates its year of introduction, the seventh year of the reign of Emperor Taishō, or 1918 according to the Gregorian calendar.
The Mortier de 293 Danois sur affut-truck modèle 1914 was a French railway gun and siege gun used by the French Army during World War I and World War II.
The 120 mm Armata wz. 78/09/31 and 120 mm Armata wz. 78/10/31 were field guns produced in Poland and used by Poland during World War II and Finland during the Continuation War.
The Cannone da 75/27 modello 1912 cannon was a piece of horse artillery used by the Royal Italian Army during the First and Second World Wars. The Germans designated captured guns as the 7.5 cm Feldkanone 245(i).
The Mortaio da 210/9 modello 1914 was an Italian Heavy Mortar designed by the French Schneider Company and produced under license in Italy by Ansaldo for the Italian Army and used during the First World War.
