Obukhov State Plant is a major Russian metallurgy and heavy machine-building plant in St. Petersburg, Russia.
Obukhov and Putilov
Obukhov State Plant in 1902
Floor plan of the factory in 1912
The 152mm 45 caliber Pattern 1892 was a Russian naval gun developed in the years before the Russo-Japanese War that armed a variety of warships of the Imperial Russian Navy during the Russo-Japanese W
Twin gun turret aboard the cruiser Oleg
A gun at Dalny captured by the Japanese.
A gun captured by the Germans at Kaunas Fort (now Lithuania).