Glass Magic Lantern Slide Ship Artillery Cannon Big Bertha Public Info DC

Description

Offered for sell, I have a fantastic collection of vintage WW1 Glass Magic Lantern Slides. These are great images of war and very rare images rarely seen. These have numbers on the bottom and Washington DC by the Committee of public infromation. Slides used to Influence public opinion of the war. These are great condition with no hazing of distortion.
This one is of a Artillery Cannon on a ship. It looks rather large, though i don't know what ship it is on.