The 6 inch 35 caliber naval gun 1877 was a 152 mm naval gun used by the Russian Empire. The gun was used from 1887 as battleship secondary armament and cruiser armament. The gun was mostly replaced by
Russian 6 inch 35 caliber naval gun in Suomenlinna
Imperator Nikolai I was a Russian Imperator Aleksandr II-class battleship built for the Baltic Fleet in the late 1880s. She participated in the celebration of the 400th anniversary of the discovery of
Imperator Nikolai I as depicted by an 1893 lithograph
Imperator Nikolai I's forward turret and bridge shortly after Tsushima
Captain Richard Romanovich Dicker (1847–1939).
Iki at Yokosuka, 12 February 1906