Canon de 155 mm GPF
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The Canon de 155 Grande Puissance Filloux modèle 1917 was a WWI-era French-designed 155 mm gun used by the French Army and the United States Army during the first half of the 20th century in towed and self-propelled mountings. Wikipedia
Carriage: split trail
Elevation: 0° to +35°
In service: 1917–1945
Manufacturer: Renault; Atelier de Bourges; Atelier de Puteaux
Maximum firing range: 19,500 m (21,325 yds)
Muzzle velocity: 735 m/s (2,411 ft/s)
Place of origin: France