Fire post of 10 inch battery

Fire post as silent eyewitness of memorable event of August 1918, when 3 powder cellars of 6-inch Canet battery and 4 powder cellars of 10-inch battery were blown up. The fort was mine by Reds spring 1918 after Whites assault begun. August 19
during heavy thunderstorm explosions hammered down big part of the fort. Inductive current it was may be...