Photographs of weapons exhibited before the Central Museum of the Contemporary History of Russia in Moscow (the former Central Museum of the Revolution).
Dmitry Ivanov. 2014. CC-BY-SA 3.0. The description of the photo →
A de Bange 155 mm long cannon modèle 1877. France.
In 1917, during the Moscow Bolshevik Uprising, the cannon was used by the Lefortovo Detachment of the Moscow Red Guards.